Home / 3,167,650.78-4,751,917.83-979,399.09

Finding the Fourth Proportional to 3,167,650.78, 4,751,917.83 and 979,399.09

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Solution

The fourth proportional to 3,167,650.78, 4,751,917.83 and 979,399.09 is: 1,469,235.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,167,650.78 : 4,751,917.83 = 979,399.09 : x
  2. Step 2: Convert to fraction form
    3,167,650.78/4,751,917.83 = 979,399.09/x
  3. Step 3: Cross multiply
    3,167,650.78x = 4,751,917.83 × 979,399.09
  4. Step 4: Simplify right side
    3,167,650.78x = 4,654,023,998,456.77
  5. Step 5: Solve for x
    x = 4,654,023,998,456.77/3,167,650.78
  6. Step 6: Final answer
    x = 1,469,235.19

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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.