Home / 2,167,315.40-3,251,128.92-747,350.98

Finding the Fourth Proportional to 2,167,315.40, 3,251,128.92 and 747,350.98

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Solution

The fourth proportional to 2,167,315.40, 3,251,128.92 and 747,350.98 is: 1,121,080.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,167,315.40 : 3,251,128.92 = 747,350.98 : x
  2. Step 2: Convert to fraction form
    2,167,315.40/3,251,128.92 = 747,350.98/x
  3. Step 3: Cross multiply
    2,167,315.40x = 3,251,128.92 × 747,350.98
  4. Step 4: Simplify right side
    2,167,315.40x = 2,429,734,384,468.34
  5. Step 5: Solve for x
    x = 2,429,734,384,468.34/2,167,315.40
  6. Step 6: Final answer
    x = 1,121,080.20

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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.