Home / 1,942,635.90-2,912,787.45-997,851.90

Finding the Fourth Proportional to 1,942,635.90, 2,912,787.45 and 997,851.90

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Solution

The fourth proportional to 1,942,635.90, 2,912,787.45 and 997,851.90 is: 1,496,178.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,942,635.90 : 2,912,787.45 = 997,851.90 : x
  2. Step 2: Convert to fraction form
    1,942,635.90/2,912,787.45 = 997,851.90/x
  3. Step 3: Cross multiply
    1,942,635.90x = 2,912,787.45 × 997,851.90
  4. Step 4: Simplify right side
    1,942,635.90x = 2,906,530,491,278.66
  5. Step 5: Solve for x
    x = 2,906,530,491,278.66/1,942,635.90
  6. Step 6: Final answer
    x = 1,496,178.72

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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.