Home / 3,867,288.90-5,337,350.74-2,339,406.96

Finding the Fourth Proportional to 3,867,288.90, 5,337,350.74 and 2,339,406.96

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Solution

The fourth proportional to 3,867,288.90, 5,337,350.74 and 2,339,406.96 is: 3,228,679.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,867,288.90 : 5,337,350.74 = 2,339,406.96 : x
  2. Step 2: Convert to fraction form
    3,867,288.90/5,337,350.74 = 2,339,406.96/x
  3. Step 3: Cross multiply
    3,867,288.90x = 5,337,350.74 × 2,339,406.96
  4. Step 4: Simplify right side
    3,867,288.90x = 12,486,235,469,117.15
  5. Step 5: Solve for x
    x = 12,486,235,469,117.15/3,867,288.90
  6. Step 6: Final answer
    x = 3,228,679.26

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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.