Finding the Fourth Proportional to 6,138,861.27, 9,206,720.68 and 1,819,901.53
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Solution
The fourth proportional to 6,138,861.27, 9,206,720.68 and 1,819,901.53 is: 2,729,386.49
Step by Step Solution
- Step 1: Write the proportion equation
6,138,861.27 : 9,206,720.68 = 1,819,901.53 : x - Step 2: Convert to fraction form
6,138,861.27/9,206,720.68 = 1,819,901.53/x - Step 3: Cross multiply
6,138,861.27x = 9,206,720.68 × 1,819,901.53 - Step 4: Simplify right side
6,138,861.27x = 16,755,325,010,397.80 - Step 5: Solve for x
x = 16,755,325,010,397.80/6,138,861.27 - Step 6: Final answer
x = 2,729,386.49
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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.