Home / 3,851,168.69-5,314,778.82-2,132,289.15

Finding the Fourth Proportional to 3,851,168.69, 5,314,778.82 and 2,132,289.15

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Solution

The fourth proportional to 3,851,168.69, 5,314,778.82 and 2,132,289.15 is: 2,942,650.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,851,168.69 : 5,314,778.82 = 2,132,289.15 : x
  2. Step 2: Convert to fraction form
    3,851,168.69/5,314,778.82 = 2,132,289.15/x
  3. Step 3: Cross multiply
    3,851,168.69x = 5,314,778.82 × 2,132,289.15
  4. Step 4: Simplify right side
    3,851,168.69x = 11,332,645,212,535.80
  5. Step 5: Solve for x
    x = 11,332,645,212,535.80/3,851,168.69
  6. Step 6: Final answer
    x = 2,942,650.95

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.