Home / 3,379,855.54-5,069,711.40-821,082.56

Finding the Fourth Proportional to 3,379,855.54, 5,069,711.40 and 821,082.56

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Solution

The fourth proportional to 3,379,855.54, 5,069,711.40 and 821,082.56 is: 1,231,606.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,379,855.54 : 5,069,711.40 = 821,082.56 : x
  2. Step 2: Convert to fraction form
    3,379,855.54/5,069,711.40 = 821,082.56/x
  3. Step 3: Cross multiply
    3,379,855.54x = 5,069,711.40 × 821,082.56
  4. Step 4: Simplify right side
    3,379,855.54x = 4,162,651,614,773.18
  5. Step 5: Solve for x
    x = 4,162,651,614,773.18/3,379,855.54
  6. Step 6: Final answer
    x = 1,231,606.37

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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.