Finding the Fourth Proportional to 4,489,531.20, 6,726,909.60 and 2,592,964.80
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Solution
The fourth proportional to 4,489,531.20, 6,726,909.60 and 2,592,964.80 is: 3,885,180.66
Step by Step Solution
- Step 1: Write the proportion equation
4,489,531.20 : 6,726,909.60 = 2,592,964.80 : x - Step 2: Convert to fraction form
4,489,531.20/6,726,909.60 = 2,592,964.80/x - Step 3: Cross multiply
4,489,531.20x = 6,726,909.60 × 2,592,964.80 - Step 4: Simplify right side
4,489,531.20x = 17,442,639,805,582.08 - Step 5: Solve for x
x = 17,442,639,805,582.08/4,489,531.20 - Step 6: Final answer
x = 3,885,180.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.