Finding the Fourth Proportional to 1,502,561.92, 2,073,531.36 and 814,252.80
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Solution
The fourth proportional to 1,502,561.92, 2,073,531.36 and 814,252.80 is: 1,123,666.65
Step by Step Solution
- Step 1: Write the proportion equation
1,502,561.92 : 2,073,531.36 = 814,252.80 : x - Step 2: Convert to fraction form
1,502,561.92/2,073,531.36 = 814,252.80/x - Step 3: Cross multiply
1,502,561.92x = 2,073,531.36 × 814,252.80 - Step 4: Simplify right side
1,502,561.92x = 1,688,378,715,767.81 - Step 5: Solve for x
x = 1,688,378,715,767.81/1,502,561.92 - Step 6: Final answer
x = 1,123,666.65
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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.