Finding the Fourth Proportional to 1,382,726.88, 2,073,915.36 and 541,869.12
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Solution
The fourth proportional to 1,382,726.88, 2,073,915.36 and 541,869.12 is: 812,735.12
Step by Step Solution
- Step 1: Write the proportion equation
1,382,726.88 : 2,073,915.36 = 541,869.12 : x - Step 2: Convert to fraction form
1,382,726.88/2,073,915.36 = 541,869.12/x - Step 3: Cross multiply
1,382,726.88x = 2,073,915.36 × 541,869.12 - Step 4: Simplify right side
1,382,726.88x = 1,123,790,691,077.68 - Step 5: Solve for x
x = 1,123,790,691,077.68/1,382,726.88 - Step 6: Final answer
x = 812,735.12
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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.