Finding the Fourth Proportional to 2,621,037.92, 3,932,502.96 and 915,432.26
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Solution
The fourth proportional to 2,621,037.92, 3,932,502.96 and 915,432.26 is: 1,373,478.82
Step by Step Solution
- Step 1: Write the proportion equation
2,621,037.92 : 3,932,502.96 = 915,432.26 : x - Step 2: Convert to fraction form
2,621,037.92/3,932,502.96 = 915,432.26/x - Step 3: Cross multiply
2,621,037.92x = 3,932,502.96 × 915,432.26 - Step 4: Simplify right side
2,621,037.92x = 3,599,940,072,129.49 - Step 5: Solve for x
x = 3,599,940,072,129.49/2,621,037.92 - Step 6: Final answer
x = 1,373,478.82
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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.