Home / 2,086,805.75-3,129,297.11-738,520.25

Finding the Fourth Proportional to 2,086,805.75, 3,129,297.11 and 738,520.25

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Solution

The fourth proportional to 2,086,805.75, 3,129,297.11 and 738,520.25 is: 1,107,457.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,086,805.75 : 3,129,297.11 = 738,520.25 : x
  2. Step 2: Convert to fraction form
    2,086,805.75/3,129,297.11 = 738,520.25/x
  3. Step 3: Cross multiply
    2,086,805.75x = 3,129,297.11 × 738,520.25
  4. Step 4: Simplify right side
    2,086,805.75x = 2,311,049,280,308.88
  5. Step 5: Solve for x
    x = 2,311,049,280,308.88/2,086,805.75
  6. Step 6: Final answer
    x = 1,107,457.79

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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.