Home / 6,120,005.60-9,171,610.24-3,872,119.52

Finding the Fourth Proportional to 6,120,005.60, 9,171,610.24 and 3,872,119.52

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Solution

The fourth proportional to 6,120,005.60, 9,171,610.24 and 3,872,119.52 is: 5,802,865.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,120,005.60 : 9,171,610.24 = 3,872,119.52 : x
  2. Step 2: Convert to fraction form
    6,120,005.60/9,171,610.24 = 3,872,119.52/x
  3. Step 3: Cross multiply
    6,120,005.60x = 9,171,610.24 × 3,872,119.52
  4. Step 4: Simplify right side
    6,120,005.60x = 35,513,571,040,135.88
  5. Step 5: Solve for x
    x = 35,513,571,040,135.88/6,120,005.60
  6. Step 6: Final answer
    x = 5,802,865.78

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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.