Finding the Fourth Proportional to 2,538,205.92, 3,502,702.56 and 1,392,265.44
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Solution
The fourth proportional to 2,538,205.92, 3,502,702.56 and 1,392,265.44 is: 1,921,314.45
Step by Step Solution
- Step 1: Write the proportion equation
2,538,205.92 : 3,502,702.56 = 1,392,265.44 : x - Step 2: Convert to fraction form
2,538,205.92/3,502,702.56 = 1,392,265.44/x - Step 3: Cross multiply
2,538,205.92x = 3,502,702.56 × 1,392,265.44 - Step 4: Simplify right side
2,538,205.92x = 4,876,691,720,887.53 - Step 5: Solve for x
x = 4,876,691,720,887.53/2,538,205.92 - Step 6: Final answer
x = 1,921,314.45
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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.