Home / 3,391,036.72-5,086,542.08-866,687.92

Finding the Fourth Proportional to 3,391,036.72, 5,086,542.08 and 866,687.92

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Solution

The fourth proportional to 3,391,036.72, 5,086,542.08 and 866,687.92 is: 1,300,028.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,391,036.72 : 5,086,542.08 = 866,687.92 : x
  2. Step 2: Convert to fraction form
    3,391,036.72/5,086,542.08 = 866,687.92/x
  3. Step 3: Cross multiply
    3,391,036.72x = 5,086,542.08 × 866,687.92
  4. Step 4: Simplify right side
    3,391,036.72x = 4,408,444,575,307.67
  5. Step 5: Solve for x
    x = 4,408,444,575,307.67/3,391,036.72
  6. Step 6: Final answer
    x = 1,300,028.56

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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.