Home / 2,001,121.20-3,003,650.10-991,383.30

Finding the Fourth Proportional to 2,001,121.20, 3,003,650.10 and 991,383.30

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Solution

The fourth proportional to 2,001,121.20, 3,003,650.10 and 991,383.30 is: 1,488,050.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,001,121.20 : 3,003,650.10 = 991,383.30 : x
  2. Step 2: Convert to fraction form
    2,001,121.20/3,003,650.10 = 991,383.30/x
  3. Step 3: Cross multiply
    2,001,121.20x = 3,003,650.10 × 991,383.30
  4. Step 4: Simplify right side
    2,001,121.20x = 2,977,768,548,183.33
  5. Step 5: Solve for x
    x = 2,977,768,548,183.33/2,001,121.20
  6. Step 6: Final answer
    x = 1,488,050.07

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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.