Home / 5,451,013.40-7,521,961.52-3,159,321.71

Finding the Fourth Proportional to 5,451,013.40, 7,521,961.52 and 3,159,321.71

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Solution

The fourth proportional to 5,451,013.40, 7,521,961.52 and 3,159,321.71 is: 4,359,610.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,451,013.40 : 7,521,961.52 = 3,159,321.71 : x
  2. Step 2: Convert to fraction form
    5,451,013.40/7,521,961.52 = 3,159,321.71/x
  3. Step 3: Cross multiply
    5,451,013.40x = 7,521,961.52 × 3,159,321.71
  4. Step 4: Simplify right side
    5,451,013.40x = 23,764,296,302,209.10
  5. Step 5: Solve for x
    x = 23,764,296,302,209.10/5,451,013.40
  6. Step 6: Final answer
    x = 4,359,610.70

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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.