Finding the Fourth Proportional to 2,315,414.54, 3,195,281.85 and 1,349,207.66
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Solution
The fourth proportional to 2,315,414.54, 3,195,281.85 and 1,349,207.66 is: 1,861,912.27
Step by Step Solution
- Step 1: Write the proportion equation
2,315,414.54 : 3,195,281.85 = 1,349,207.66 : x - Step 2: Convert to fraction form
2,315,414.54/3,195,281.85 = 1,349,207.66/x - Step 3: Cross multiply
2,315,414.54x = 3,195,281.85 × 1,349,207.66 - Step 4: Simplify right side
2,315,414.54x = 4,311,098,747,878.97 - Step 5: Solve for x
x = 4,311,098,747,878.97/2,315,414.54 - Step 6: Final answer
x = 1,861,912.27
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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.