Home / 3,985,777.92-5,500,321.92-2,174,910.72

Finding the Fourth Proportional to 3,985,777.92, 5,500,321.92 and 2,174,910.72

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Solution

The fourth proportional to 3,985,777.92, 5,500,321.92 and 2,174,910.72 is: 3,001,348.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,985,777.92 : 5,500,321.92 = 2,174,910.72 : x
  2. Step 2: Convert to fraction form
    3,985,777.92/5,500,321.92 = 2,174,910.72/x
  3. Step 3: Cross multiply
    3,985,777.92x = 5,500,321.92 × 2,174,910.72
  4. Step 4: Simplify right side
    3,985,777.92x = 11,962,709,107,258.98
  5. Step 5: Solve for x
    x = 11,962,709,107,258.98/3,985,777.92
  6. Step 6: Final answer
    x = 3,001,348.63

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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.