Finding the Fourth Proportional to 3,676,402.74, 5,071,365 and 2,205,931.17
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Solution
The fourth proportional to 3,676,402.74, 5,071,365 and 2,205,931.17 is: 3,042,942.50
Step by Step Solution
- Step 1: Write the proportion equation
3,676,402.74 : 5,071,365 = 2,205,931.17 : x - Step 2: Convert to fraction form
3,676,402.74/5,071,365 = 2,205,931.17/x - Step 3: Cross multiply
3,676,402.74x = 5,071,365 × 2,205,931.17 - Step 4: Simplify right side
3,676,402.74x = 11,187,082,127,947.05 - Step 5: Solve for x
x = 11,187,082,127,947.05/3,676,402.74 - Step 6: Final answer
x = 3,042,942.50
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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.