Finding the Fourth Proportional to 2,591,125.92, 3,886,248.24 and 697,445.28
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Solution
The fourth proportional to 2,591,125.92, 3,886,248.24 and 697,445.28 is: 1,046,049.31
Step by Step Solution
- Step 1: Write the proportion equation
2,591,125.92 : 3,886,248.24 = 697,445.28 : x - Step 2: Convert to fraction form
2,591,125.92/3,886,248.24 = 697,445.28/x - Step 3: Cross multiply
2,591,125.92x = 3,886,248.24 × 697,445.28 - Step 4: Simplify right side
2,591,125.92x = 2,710,445,491,896.31 - Step 5: Solve for x
x = 2,710,445,491,896.31/2,591,125.92 - Step 6: Final answer
x = 1,046,049.31
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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.