Home / 2,101,067.80-3,151,601.70-2,085,321.40

Finding the Fourth Proportional to 2,101,067.80, 3,151,601.70 and 2,085,321.40

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Solution

The fourth proportional to 2,101,067.80, 3,151,601.70 and 2,085,321.40 is: 3,127,982.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,101,067.80 : 3,151,601.70 = 2,085,321.40 : x
  2. Step 2: Convert to fraction form
    2,101,067.80/3,151,601.70 = 2,085,321.40/x
  3. Step 3: Cross multiply
    2,101,067.80x = 3,151,601.70 × 2,085,321.40
  4. Step 4: Simplify right side
    2,101,067.80x = 6,572,102,469,286.38
  5. Step 5: Solve for x
    x = 6,572,102,469,286.38/2,101,067.80
  6. Step 6: Final answer
    x = 3,127,982.10

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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.