Finding the Fourth Proportional to 3,862,780.02, 5,331,616.29 and 2,639,580.66
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Solution
The fourth proportional to 3,862,780.02, 5,331,616.29 and 2,639,580.66 is: 3,643,290.89
Step by Step Solution
- Step 1: Write the proportion equation
3,862,780.02 : 5,331,616.29 = 2,639,580.66 : x - Step 2: Convert to fraction form
3,862,780.02/5,331,616.29 = 2,639,580.66/x - Step 3: Cross multiply
3,862,780.02x = 5,331,616.29 × 2,639,580.66 - Step 4: Simplify right side
3,862,780.02x = 14,073,231,245,624.95 - Step 5: Solve for x
x = 14,073,231,245,624.95/3,862,780.02 - Step 6: Final answer
x = 3,643,290.89
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.