Home / 2,150,146.90-3,221,436.90-2,022,141.78

Finding the Fourth Proportional to 2,150,146.90, 3,221,436.90 and 2,022,141.78

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Solution

The fourth proportional to 2,150,146.90, 3,221,436.90 and 2,022,141.78 is: 3,029,654.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,150,146.90 : 3,221,436.90 = 2,022,141.78 : x
  2. Step 2: Convert to fraction form
    2,150,146.90/3,221,436.90 = 2,022,141.78/x
  3. Step 3: Cross multiply
    2,150,146.90x = 3,221,436.90 × 2,022,141.78
  4. Step 4: Simplify right side
    2,150,146.90x = 6,514,202,147,123.68
  5. Step 5: Solve for x
    x = 6,514,202,147,123.68/2,150,146.90
  6. Step 6: Final answer
    x = 3,029,654.46

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1.5x scale

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.