Home / 2,218,420.14-3,327,630.21-722,512.14

Finding the Fourth Proportional to 2,218,420.14, 3,327,630.21 and 722,512.14

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Solution

The fourth proportional to 2,218,420.14, 3,327,630.21 and 722,512.14 is: 1,083,768.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,218,420.14 : 3,327,630.21 = 722,512.14 : x
  2. Step 2: Convert to fraction form
    2,218,420.14/3,327,630.21 = 722,512.14/x
  3. Step 3: Cross multiply
    2,218,420.14x = 3,327,630.21 × 722,512.14
  4. Step 4: Simplify right side
    2,218,420.14x = 2,404,253,224,155.75
  5. Step 5: Solve for x
    x = 2,404,253,224,155.75/2,218,420.14
  6. Step 6: Final answer
    x = 1,083,768.21

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Similar ratio
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1.5x scale

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.