Home / 2,086,815.75-3,129,312.11-738,530.43

Finding the Fourth Proportional to 2,086,815.75, 3,129,312.11 and 738,530.43

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Solution

The fourth proportional to 2,086,815.75, 3,129,312.11 and 738,530.43 is: 1,107,473.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,086,815.75 : 3,129,312.11 = 738,530.43 : x
  2. Step 2: Convert to fraction form
    2,086,815.75/3,129,312.11 = 738,530.43/x
  3. Step 3: Cross multiply
    2,086,815.75x = 3,129,312.11 × 738,530.43
  4. Step 4: Simplify right side
    2,086,815.75x = 2,311,092,214,509.86
  5. Step 5: Solve for x
    x = 2,311,092,214,509.86/2,086,815.75
  6. Step 6: Final answer
    x = 1,107,473.06

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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.