Finding the Fourth Proportional to 2,275,482.66, 3,138,463.71 and 1,587,190.02
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Solution
The fourth proportional to 2,275,482.66, 3,138,463.71 and 1,587,190.02 is: 2,189,134.80
Step by Step Solution
- Step 1: Write the proportion equation
2,275,482.66 : 3,138,463.71 = 1,587,190.02 : x - Step 2: Convert to fraction form
2,275,482.66/3,138,463.71 = 1,587,190.02/x - Step 3: Cross multiply
2,275,482.66x = 3,138,463.71 × 1,587,190.02 - Step 4: Simplify right side
2,275,482.66x = 4,981,338,278,644.17 - Step 5: Solve for x
x = 4,981,338,278,644.17/2,275,482.66 - Step 6: Final answer
x = 2,189,134.80
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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.