Home / 2,412,747.40-3,619,005.90-815,153.80

Finding the Fourth Proportional to 2,412,747.40, 3,619,005.90 and 815,153.80

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Solution

The fourth proportional to 2,412,747.40, 3,619,005.90 and 815,153.80 is: 1,222,691.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,412,747.40 : 3,619,005.90 = 815,153.80 : x
  2. Step 2: Convert to fraction form
    2,412,747.40/3,619,005.90 = 815,153.80/x
  3. Step 3: Cross multiply
    2,412,747.40x = 3,619,005.90 × 815,153.80
  4. Step 4: Simplify right side
    2,412,747.40x = 2,950,046,411,607.42
  5. Step 5: Solve for x
    x = 2,950,046,411,607.42/2,412,747.40
  6. Step 6: Final answer
    x = 1,222,691.78

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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.