Home / 3,998,691.36-5,512,453.38-2,850,778.80

Finding the Fourth Proportional to 3,998,691.36, 5,512,453.38 and 2,850,778.80

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Solution

The fourth proportional to 3,998,691.36, 5,512,453.38 and 2,850,778.80 is: 3,929,982.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,998,691.36 : 5,512,453.38 = 2,850,778.80 : x
  2. Step 2: Convert to fraction form
    3,998,691.36/5,512,453.38 = 2,850,778.80/x
  3. Step 3: Cross multiply
    3,998,691.36x = 5,512,453.38 × 2,850,778.80
  4. Step 4: Simplify right side
    3,998,691.36x = 15,714,785,231,692.34
  5. Step 5: Solve for x
    x = 15,714,785,231,692.34/3,998,691.36
  6. Step 6: Final answer
    x = 3,929,982.04

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1.5x scale

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.