Home / 2,132,189.56-3,198,838.26-636,281.56

Finding the Fourth Proportional to 2,132,189.56, 3,198,838.26 and 636,281.56

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Solution

The fourth proportional to 2,132,189.56, 3,198,838.26 and 636,281.56 is: 954,587.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,132,189.56 : 3,198,838.26 = 636,281.56 : x
  2. Step 2: Convert to fraction form
    2,132,189.56/3,198,838.26 = 636,281.56/x
  3. Step 3: Cross multiply
    2,132,189.56x = 3,198,838.26 × 636,281.56
  4. Step 4: Simplify right side
    2,132,189.56x = 2,035,361,798,260.49
  5. Step 5: Solve for x
    x = 2,035,361,798,260.49/2,132,189.56
  6. Step 6: Final answer
    x = 954,587.64

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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.