| 1801 - 446 pages
...geometrical proportion ; for •£-= '•£ — 2, but \- = 8. Four numbers are directly proportional, **when the ratio of the first to the second is the same as** that of the third to die fourth. As 2 : 4 : : 3 : 6. Four numbers are said to be recipri*ally or inversely... | |
| Charles Hutton - 1811 - 406 pages
...the same ratio. 19. Four quantities are said to be Proportional, when the ratio of the first to die **second, is the same as the ratio of the third to the fourth.** As of the four, A (2), B (4), c (5), D (10), where f- = " = 2, both the same ratio. Nate. Note. To... | |
| Charles Hutton - 1812 - 620 pages
...(4), c (8), where .J ;= | = 2, both the same ratio. 79. Four quantities are said to be Proportional, **when the ratio of the first to the second, is the same as the ratio** cf the third to the fourth. As of the four, A (2), B (4), c (5), D (10), where .* = '.j°— S. both... | |
| Samuel Webber - 1812 - 260 pages
...discontinued geometrical proportion ; for £=y=2, but *^=8. Four numbers are directly proportional, **when the ratio of the first to the second is the same, as** that of the third to the fourth. As 2 : 4 : : 3 : 6. Four numbers are said to be reciprocally, or inversely... | |
| Charles Hutton - 1816 - 610 pages
...(4), c (8), where £ = { = 2, both the same tatio. 79. Four quantities arc said to be Proportional, **when the ratio of the first to the second, is the same as the ratio of the third to the fourth.** As of the four, A (2), B (4), c (5), D < 10), where $ c= if = 3, both the same ratio. Mate. JVbte.... | |
| Charles Hutton - 1822 - 616 pages
...B (4), c (8), where f =f =5, both the same ratio. 79. Four quantities are said to be Proportional, **when the ratio of the first to the second, is the same as the ratio of the third to the fourth.** As of the four, A (2), B (4), c (5), p (10), where 5=»/r=i, both the same ratio. .\<>if. To denote... | |
| John Imison - 1822 - 488 pages
...consequent by the antecedent. 54. Three magnitudes or quantities, A,B,C, are said to be proportional, **when the ratio of the first to the second is the same as** that of the second to the third. Thus, 2, 4, 8, are proportional, because 4> is contained in 8 as many... | |
| Beriah Stevens - 1822 - 436 pages
...division of the wntecedent 1, by the consequent 2, viz. i. Four numbers are siiid to be proportional **when the ratio of the first to the second is the same as** that of the tliii'd to the fourth ; and the proportional numbers are usually distinguished from one... | |
| John Penrose (teacher of arithmetic.) - 1824 - 320 pages
...of 9 to 12. Proportion consists of three terms at least. Three numbers are said to be proportional, **when the ratio of the first to the second, is the same as- the ratio of** the second to the fourth; as 2, 4,8, where -}=£=2, both the same ratio, for 4 is as much greater in... | |
| Charles Hutton - 1825 - 608 pages
...both the same ratio. 7'j. Four quantities are said to be Proportional, when the ratio of the tirst **to the second, is the same as the ratio of the third to the fourth.** As of the four, A (2),u(4),c (5),D (10), where tF=-fa-—%, both the same ratio. Aofp, .Vote. To denote... | |
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