Finding the Fourth Proportional to 4,231,394.97, 6,347,535.33 and 1,391,728.56
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Solution
The fourth proportional to 4,231,394.97, 6,347,535.33 and 1,391,728.56 is: 2,087,738.50
Step by Step Solution
- Step 1: Write the proportion equation
4,231,394.97 : 6,347,535.33 = 1,391,728.56 : x - Step 2: Convert to fraction form
4,231,394.97/6,347,535.33 = 1,391,728.56/x - Step 3: Cross multiply
4,231,394.97x = 6,347,535.33 × 1,391,728.56 - Step 4: Simplify right side
4,231,394.97x = 8,834,046,204,370.03 - Step 5: Solve for x
x = 8,834,046,204,370.03/4,231,394.97 - Step 6: Final answer
x = 2,087,738.50
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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.