Home / 3,851,171.70-5,314,782.99-2,132,292.18

Finding the Fourth Proportional to 3,851,171.70, 5,314,782.99 and 2,132,292.18

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Solution

The fourth proportional to 3,851,171.70, 5,314,782.99 and 2,132,292.18 is: 2,942,655.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,851,171.70 : 5,314,782.99 = 2,132,292.18 : x
  2. Step 2: Convert to fraction form
    3,851,171.70/5,314,782.99 = 2,132,292.18/x
  3. Step 3: Cross multiply
    3,851,171.70x = 5,314,782.99 × 2,132,292.18
  4. Step 4: Simplify right side
    3,851,171.70x = 11,332,670,207,974.02
  5. Step 5: Solve for x
    x = 11,332,670,207,974.02/3,851,171.70
  6. Step 6: Final answer
    x = 2,942,655.14

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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.