Home / 3,511,776.84-5,267,667.30-987,432.09

Finding the Fourth Proportional to 3,511,776.84, 5,267,667.30 and 987,432.09

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Solution

The fourth proportional to 3,511,776.84, 5,267,667.30 and 987,432.09 is: 1,481,148.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,511,776.84 : 5,267,667.30 = 987,432.09 : x
  2. Step 2: Convert to fraction form
    3,511,776.84/5,267,667.30 = 987,432.09/x
  3. Step 3: Cross multiply
    3,511,776.84x = 5,267,667.30 × 987,432.09
  4. Step 4: Simplify right side
    3,511,776.84x = 5,201,463,731,463.66
  5. Step 5: Solve for x
    x = 5,201,463,731,463.66/3,511,776.84
  6. Step 6: Final answer
    x = 1,481,148.71

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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.