Home / 5,238,136.32-7,857,169.92-1,347,587.52

Finding the Fourth Proportional to 5,238,136.32, 7,857,169.92 and 1,347,587.52

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Solution

The fourth proportional to 5,238,136.32, 7,857,169.92 and 1,347,587.52 is: 2,021,372.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,238,136.32 : 7,857,169.92 = 1,347,587.52 : x
  2. Step 2: Convert to fraction form
    5,238,136.32/7,857,169.92 = 1,347,587.52/x
  3. Step 3: Cross multiply
    5,238,136.32x = 7,857,169.92 × 1,347,587.52
  4. Step 4: Simplify right side
    5,238,136.32x = 10,588,224,126,711.40
  5. Step 5: Solve for x
    x = 10,588,224,126,711.40/5,238,136.32
  6. Step 6: Final answer
    x = 2,021,372.39

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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.