Finding the Fourth Proportional to 2,376,418.68, 3,279,458.64 and 1,288,689.95
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Solution
The fourth proportional to 2,376,418.68, 3,279,458.64 and 1,288,689.95 is: 1,778,392.61
Step by Step Solution
- Step 1: Write the proportion equation
2,376,418.68 : 3,279,458.64 = 1,288,689.95 : x - Step 2: Convert to fraction form
2,376,418.68/3,279,458.64 = 1,288,689.95/x - Step 3: Cross multiply
2,376,418.68x = 3,279,458.64 × 1,288,689.95 - Step 4: Simplify right side
2,376,418.68x = 4,226,205,403,839.90 - Step 5: Solve for x
x = 4,226,205,403,839.90/2,376,418.68 - Step 6: Final answer
x = 1,778,392.61
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.