Home / 2,137,572.20-3,206,358.30-540,139.88

Finding the Fourth Proportional to 2,137,572.20, 3,206,358.30 and 540,139.88

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Solution

The fourth proportional to 2,137,572.20, 3,206,358.30 and 540,139.88 is: 810,209.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,137,572.20 : 3,206,358.30 = 540,139.88 : x
  2. Step 2: Convert to fraction form
    2,137,572.20/3,206,358.30 = 540,139.88/x
  3. Step 3: Cross multiply
    2,137,572.20x = 3,206,358.30 × 540,139.88
  4. Step 4: Simplify right side
    2,137,572.20x = 1,731,881,987,399.00
  5. Step 5: Solve for x
    x = 1,731,881,987,399.00/2,137,572.20
  6. Step 6: Final answer
    x = 810,209.82

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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.