Home / 3,707,121.20-5,561,200.20-1,577,188.40

Finding the Fourth Proportional to 3,707,121.20, 5,561,200.20 and 1,577,188.40

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Solution

The fourth proportional to 3,707,121.20, 5,561,200.20 and 1,577,188.40 is: 2,366,003.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,707,121.20 : 5,561,200.20 = 1,577,188.40 : x
  2. Step 2: Convert to fraction form
    3,707,121.20/5,561,200.20 = 1,577,188.40/x
  3. Step 3: Cross multiply
    3,707,121.20x = 5,561,200.20 × 1,577,188.40
  4. Step 4: Simplify right side
    3,707,121.20x = 8,771,060,445,517.68
  5. Step 5: Solve for x
    x = 8,771,060,445,517.68/3,707,121.20
  6. Step 6: Final answer
    x = 2,366,003.15

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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.