Home / 3,987,291.55-5,981,352.97-1,525,302.60

Finding the Fourth Proportional to 3,987,291.55, 5,981,352.97 and 1,525,302.60

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Solution

The fourth proportional to 3,987,291.55, 5,981,352.97 and 1,525,302.60 is: 2,288,112.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,987,291.55 : 5,981,352.97 = 1,525,302.60 : x
  2. Step 2: Convert to fraction form
    3,987,291.55/5,981,352.97 = 1,525,302.60/x
  3. Step 3: Cross multiply
    3,987,291.55x = 5,981,352.97 × 1,525,302.60
  4. Step 4: Simplify right side
    3,987,291.55x = 9,123,373,238,099.28
  5. Step 5: Solve for x
    x = 9,123,373,238,099.28/3,987,291.55
  6. Step 6: Final answer
    x = 2,288,112.90

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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.