Home / 2,412,934.40-3,619,286.40-815,340.80

Finding the Fourth Proportional to 2,412,934.40, 3,619,286.40 and 815,340.80

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Solution

The fourth proportional to 2,412,934.40, 3,619,286.40 and 815,340.80 is: 1,222,972.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,412,934.40 : 3,619,286.40 = 815,340.80 : x
  2. Step 2: Convert to fraction form
    2,412,934.40/3,619,286.40 = 815,340.80/x
  3. Step 3: Cross multiply
    2,412,934.40x = 3,619,286.40 × 815,340.80
  4. Step 4: Simplify right side
    2,412,934.40x = 2,950,951,868,805.12
  5. Step 5: Solve for x
    x = 2,950,951,868,805.12/2,412,934.40
  6. Step 6: Final answer
    x = 1,222,972.27

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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.