Finding the Fourth Proportional to 3,102,470.92, 4,279,660.68 and 1,861,759.92
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Solution
The fourth proportional to 3,102,470.92, 4,279,660.68 and 1,861,759.92 is: 2,568,179.02
Step by Step Solution
- Step 1: Write the proportion equation
3,102,470.92 : 4,279,660.68 = 1,861,759.92 : x - Step 2: Convert to fraction form
3,102,470.92/4,279,660.68 = 1,861,759.92/x - Step 3: Cross multiply
3,102,470.92x = 4,279,660.68 × 1,861,759.92 - Step 4: Simplify right side
3,102,470.92x = 7,967,700,725,223.94 - Step 5: Solve for x
x = 7,967,700,725,223.94/3,102,470.92 - Step 6: Final answer
x = 2,568,179.02
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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.