Home / 2,200,905.90-3,301,358.85-921,292.20

Finding the Fourth Proportional to 2,200,905.90, 3,301,358.85 and 921,292.20

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Solution

The fourth proportional to 2,200,905.90, 3,301,358.85 and 921,292.20 is: 1,381,938.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,200,905.90 : 3,301,358.85 = 921,292.20 : x
  2. Step 2: Convert to fraction form
    2,200,905.90/3,301,358.85 = 921,292.20/x
  3. Step 3: Cross multiply
    2,200,905.90x = 3,301,358.85 × 921,292.20
  4. Step 4: Simplify right side
    2,200,905.90x = 3,041,516,157,905.97
  5. Step 5: Solve for x
    x = 3,041,516,157,905.97/2,200,905.90
  6. Step 6: Final answer
    x = 1,381,938.30

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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.