Home / 2,020,691.30-3,028,412.52-821,217.78

Finding the Fourth Proportional to 2,020,691.30, 3,028,412.52 and 821,217.78

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Solution

The fourth proportional to 2,020,691.30, 3,028,412.52 and 821,217.78 is: 1,230,760.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,020,691.30 : 3,028,412.52 = 821,217.78 : x
  2. Step 2: Convert to fraction form
    2,020,691.30/3,028,412.52 = 821,217.78/x
  3. Step 3: Cross multiply
    2,020,691.30x = 3,028,412.52 × 821,217.78
  4. Step 4: Simplify right side
    2,020,691.30x = 2,486,986,206,598.61
  5. Step 5: Solve for x
    x = 2,486,986,206,598.61/2,020,691.30
  6. Step 6: Final answer
    x = 1,230,760.09

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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.