Home / 3,149,152.20-4,723,728.30-1,257,251.40

Finding the Fourth Proportional to 3,149,152.20, 4,723,728.30 and 1,257,251.40

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Solution

The fourth proportional to 3,149,152.20, 4,723,728.30 and 1,257,251.40 is: 1,885,877.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,149,152.20 : 4,723,728.30 = 1,257,251.40 : x
  2. Step 2: Convert to fraction form
    3,149,152.20/4,723,728.30 = 1,257,251.40/x
  3. Step 3: Cross multiply
    3,149,152.20x = 4,723,728.30 × 1,257,251.40
  4. Step 4: Simplify right side
    3,149,152.20x = 5,938,914,018,394.62
  5. Step 5: Solve for x
    x = 5,938,914,018,394.62/3,149,152.20
  6. Step 6: Final answer
    x = 1,885,877.10

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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.