Home / 3,145,251.71-4,709,873.14-2,078,695.55

Finding the Fourth Proportional to 3,145,251.71, 4,709,873.14 and 2,078,695.55

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Solution

The fourth proportional to 3,145,251.71, 4,709,873.14 and 2,078,695.55 is: 3,112,753.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,145,251.71 : 4,709,873.14 = 2,078,695.55 : x
  2. Step 2: Convert to fraction form
    3,145,251.71/4,709,873.14 = 2,078,695.55/x
  3. Step 3: Cross multiply
    3,145,251.71x = 4,709,873.14 × 2,078,695.55
  4. Step 4: Simplify right side
    3,145,251.71x = 9,790,392,337,182.53
  5. Step 5: Solve for x
    x = 9,790,392,337,182.53/3,145,251.71
  6. Step 6: Final answer
    x = 3,112,753.20

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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.