Home / 3,960,430.20-5,930,147.70-3,120,622.20

Finding the Fourth Proportional to 3,960,430.20, 5,930,147.70 and 3,120,622.20

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Solution

The fourth proportional to 3,960,430.20, 5,930,147.70 and 3,120,622.20 is: 4,672,661.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,960,430.20 : 5,930,147.70 = 3,120,622.20 : x
  2. Step 2: Convert to fraction form
    3,960,430.20/5,930,147.70 = 3,120,622.20/x
  3. Step 3: Cross multiply
    3,960,430.20x = 5,930,147.70 × 3,120,622.20
  4. Step 4: Simplify right side
    3,960,430.20x = 18,505,750,561,898.94
  5. Step 5: Solve for x
    x = 18,505,750,561,898.94/3,960,430.20
  6. Step 6: Final answer
    x = 4,672,661.71

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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.