Finding the Fourth Proportional to 1,987,258.20, 2,981,327.13 and 725,082.18
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Solution
The fourth proportional to 1,987,258.20, 2,981,327.13 and 725,082.18 is: 1,087,783.75
Step by Step Solution
- Step 1: Write the proportion equation
1,987,258.20 : 2,981,327.13 = 725,082.18 : x - Step 2: Convert to fraction form
1,987,258.20/2,981,327.13 = 725,082.18/x - Step 3: Cross multiply
1,987,258.20x = 2,981,327.13 × 725,082.18 - Step 4: Simplify right side
1,987,258.20x = 2,161,707,174,713.54 - Step 5: Solve for x
x = 2,161,707,174,713.54/1,987,258.20 - Step 6: Final answer
x = 1,087,783.75
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.