Home / 2,217,822.12-3,327,098.19-680,778.95

Finding the Fourth Proportional to 2,217,822.12, 3,327,098.19 and 680,778.95

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Solution

The fourth proportional to 2,217,822.12, 3,327,098.19 and 680,778.95 is: 1,021,280.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,217,822.12 : 3,327,098.19 = 680,778.95 : x
  2. Step 2: Convert to fraction form
    2,217,822.12/3,327,098.19 = 680,778.95/x
  3. Step 3: Cross multiply
    2,217,822.12x = 3,327,098.19 × 680,778.95
  4. Step 4: Simplify right side
    2,217,822.12x = 2,265,018,420,652.85
  5. Step 5: Solve for x
    x = 2,265,018,420,652.85/2,217,822.12
  6. Step 6: Final answer
    x = 1,021,280.47

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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.