Finding the Fourth Proportional to 2,391,134.92, 3,571,463.17 and 2,163,079.68
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Solution
The fourth proportional to 2,391,134.92, 3,571,463.17 and 2,163,079.68 is: 3,230,833.75
Step by Step Solution
- Step 1: Write the proportion equation
2,391,134.92 : 3,571,463.17 = 2,163,079.68 : x - Step 2: Convert to fraction form
2,391,134.92/3,571,463.17 = 2,163,079.68/x - Step 3: Cross multiply
2,391,134.92x = 3,571,463.17 × 2,163,079.68 - Step 4: Simplify right side
2,391,134.92x = 7,725,359,410,895.39 - Step 5: Solve for x
x = 7,725,359,410,895.39/2,391,134.92 - Step 6: Final answer
x = 3,230,833.75
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.