Home / 3,511,768.40-5,267,654.64-987,423.64

Finding the Fourth Proportional to 3,511,768.40, 5,267,654.64 and 987,423.64

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Solution

The fourth proportional to 3,511,768.40, 5,267,654.64 and 987,423.64 is: 1,481,136.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,511,768.40 : 5,267,654.64 = 987,423.64 : x
  2. Step 2: Convert to fraction form
    3,511,768.40/5,267,654.64 = 987,423.64/x
  3. Step 3: Cross multiply
    3,511,768.40x = 5,267,654.64 × 987,423.64
  4. Step 4: Simplify right side
    3,511,768.40x = 5,201,406,718,891.69
  5. Step 5: Solve for x
    x = 5,201,406,718,891.69/3,511,768.40
  6. Step 6: Final answer
    x = 1,481,136.03

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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.