Home / 5,438,321.28-8,153,568-2,558,077.92

Finding the Fourth Proportional to 5,438,321.28, 8,153,568 and 2,558,077.92

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Solution

The fourth proportional to 5,438,321.28, 8,153,568 and 2,558,077.92 is: 3,835,275.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,438,321.28 : 8,153,568 = 2,558,077.92 : x
  2. Step 2: Convert to fraction form
    5,438,321.28/8,153,568 = 2,558,077.92/x
  3. Step 3: Cross multiply
    5,438,321.28x = 8,153,568 × 2,558,077.92
  4. Step 4: Simplify right side
    5,438,321.28x = 20,857,462,270,018.56
  5. Step 5: Solve for x
    x = 20,857,462,270,018.56/5,438,321.28
  6. Step 6: Final answer
    x = 3,835,275.85

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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.