Home / 2,192,138.40-3,286,652.40-994,634.40

Finding the Fourth Proportional to 2,192,138.40, 3,286,652.40 and 994,634.40

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Solution

The fourth proportional to 2,192,138.40, 3,286,652.40 and 994,634.40 is: 1,491,245.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,192,138.40 : 3,286,652.40 = 994,634.40 : x
  2. Step 2: Convert to fraction form
    2,192,138.40/3,286,652.40 = 994,634.40/x
  3. Step 3: Cross multiply
    2,192,138.40x = 3,286,652.40 × 994,634.40
  4. Step 4: Simplify right side
    2,192,138.40x = 3,269,017,537,882.56
  5. Step 5: Solve for x
    x = 3,269,017,537,882.56/2,192,138.40
  6. Step 6: Final answer
    x = 1,491,245.96

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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.