Home / 2,931,410.20-4,397,115.30-1,438,418.20

Finding the Fourth Proportional to 2,931,410.20, 4,397,115.30 and 1,438,418.20

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Solution

The fourth proportional to 2,931,410.20, 4,397,115.30 and 1,438,418.20 is: 2,157,627.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,931,410.20 : 4,397,115.30 = 1,438,418.20 : x
  2. Step 2: Convert to fraction form
    2,931,410.20/4,397,115.30 = 1,438,418.20/x
  3. Step 3: Cross multiply
    2,931,410.20x = 4,397,115.30 × 1,438,418.20
  4. Step 4: Simplify right side
    2,931,410.20x = 6,324,890,675,018.46
  5. Step 5: Solve for x
    x = 6,324,890,675,018.46/2,931,410.20
  6. Step 6: Final answer
    x = 2,157,627.30

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Similar ratio
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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.