Home / 2,281,729.20-3,147,797.88-1,375,807.92

Finding the Fourth Proportional to 2,281,729.20, 3,147,797.88 and 1,375,807.92

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Solution

The fourth proportional to 2,281,729.20, 3,147,797.88 and 1,375,807.92 is: 1,898,018.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,281,729.20 : 3,147,797.88 = 1,375,807.92 : x
  2. Step 2: Convert to fraction form
    2,281,729.20/3,147,797.88 = 1,375,807.92/x
  3. Step 3: Cross multiply
    2,281,729.20x = 3,147,797.88 × 1,375,807.92
  4. Step 4: Simplify right side
    2,281,729.20x = 4,330,765,253,863.21
  5. Step 5: Solve for x
    x = 4,330,765,253,863.21/2,281,729.20
  6. Step 6: Final answer
    x = 1,898,018.95

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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.