Finding the Fourth Proportional to 2,552,660.97, 3,522,672.77 and 1,391,107.56
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Solution
The fourth proportional to 2,552,660.97, 3,522,672.77 and 1,391,107.56 is: 1,919,728.78
Step by Step Solution
- Step 1: Write the proportion equation
2,552,660.97 : 3,522,672.77 = 1,391,107.56 : x - Step 2: Convert to fraction form
2,552,660.97/3,522,672.77 = 1,391,107.56/x - Step 3: Cross multiply
2,552,660.97x = 3,522,672.77 × 1,391,107.56 - Step 4: Simplify right side
2,552,660.97x = 4,900,416,721,753.14 - Step 5: Solve for x
x = 4,900,416,721,753.14/2,552,660.97 - Step 6: Final answer
x = 1,919,728.78
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1.5x scale
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.