Home / 2,571,832.60-3,857,959.26-1,291,781.88

Finding the Fourth Proportional to 2,571,832.60, 3,857,959.26 and 1,291,781.88

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Solution

The fourth proportional to 2,571,832.60, 3,857,959.26 and 1,291,781.88 is: 1,937,778.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,571,832.60 : 3,857,959.26 = 1,291,781.88 : x
  2. Step 2: Convert to fraction form
    2,571,832.60/3,857,959.26 = 1,291,781.88/x
  3. Step 3: Cross multiply
    2,571,832.60x = 3,857,959.26 × 1,291,781.88
  4. Step 4: Simplify right side
    2,571,832.60x = 4,983,641,865,846.21
  5. Step 5: Solve for x
    x = 4,983,641,865,846.21/2,571,832.60
  6. Step 6: Final answer
    x = 1,937,778.48

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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.