Home / 1,948,787.46-2,923,575.39-811,635.30

Finding the Fourth Proportional to 1,948,787.46, 2,923,575.39 and 811,635.30

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Solution

The fourth proportional to 1,948,787.46, 2,923,575.39 and 811,635.30 is: 1,217,617.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,948,787.46 : 2,923,575.39 = 811,635.30 : x
  2. Step 2: Convert to fraction form
    1,948,787.46/2,923,575.39 = 811,635.30/x
  3. Step 3: Cross multiply
    1,948,787.46x = 2,923,575.39 × 811,635.30
  4. Step 4: Simplify right side
    1,948,787.46x = 2,372,876,988,735.27
  5. Step 5: Solve for x
    x = 2,372,876,988,735.27/1,948,787.46
  6. Step 6: Final answer
    x = 1,217,617.13

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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.