Home / 2,238,643.20-3,357,951.12-641,209.20

Finding the Fourth Proportional to 2,238,643.20, 3,357,951.12 and 641,209.20

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Solution

The fourth proportional to 2,238,643.20, 3,357,951.12 and 641,209.20 is: 961,809.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,238,643.20 : 3,357,951.12 = 641,209.20 : x
  2. Step 2: Convert to fraction form
    2,238,643.20/3,357,951.12 = 641,209.20/x
  3. Step 3: Cross multiply
    2,238,643.20x = 3,357,951.12 × 641,209.20
  4. Step 4: Simplify right side
    2,238,643.20x = 2,153,149,151,294.30
  5. Step 5: Solve for x
    x = 2,153,149,151,294.30/2,238,643.20
  6. Step 6: Final answer
    x = 961,809.88

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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.