Home / 3,511,768.59-5,267,654.92-987,423.84

Finding the Fourth Proportional to 3,511,768.59, 5,267,654.92 and 987,423.84

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Solution

The fourth proportional to 3,511,768.59, 5,267,654.92 and 987,423.84 is: 1,481,136.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,511,768.59 : 5,267,654.92 = 987,423.84 : x
  2. Step 2: Convert to fraction form
    3,511,768.59/5,267,654.92 = 987,423.84/x
  3. Step 3: Cross multiply
    3,511,768.59x = 5,267,654.92 × 987,423.84
  4. Step 4: Simplify right side
    3,511,768.59x = 5,201,408,022,563.02
  5. Step 5: Solve for x
    x = 5,201,408,022,563.02/3,511,768.59
  6. Step 6: Final answer
    x = 1,481,136.33

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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.