Home / 2,086,825.50-3,129,326.73-738,540

Finding the Fourth Proportional to 2,086,825.50, 3,129,326.73 and 738,540

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Solution

The fourth proportional to 2,086,825.50, 3,129,326.73 and 738,540 is: 1,107,487.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,086,825.50 : 3,129,326.73 = 738,540 : x
  2. Step 2: Convert to fraction form
    2,086,825.50/3,129,326.73 = 738,540/x
  3. Step 3: Cross multiply
    2,086,825.50x = 3,129,326.73 × 738,540
  4. Step 4: Simplify right side
    2,086,825.50x = 2,311,132,963,174.20
  5. Step 5: Solve for x
    x = 2,311,132,963,174.20/2,086,825.50
  6. Step 6: Final answer
    x = 1,107,487.41

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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.