Home / 2,189,889.81-3,000,098.79-2,108,016.90

Finding the Fourth Proportional to 2,189,889.81, 3,000,098.79 and 2,108,016.90

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Solution

The fourth proportional to 2,189,889.81, 3,000,098.79 and 2,108,016.90 is: 2,887,934.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,189,889.81 : 3,000,098.79 = 2,108,016.90 : x
  2. Step 2: Convert to fraction form
    2,189,889.81/3,000,098.79 = 2,108,016.90/x
  3. Step 3: Cross multiply
    2,189,889.81x = 3,000,098.79 × 2,108,016.90
  4. Step 4: Simplify right side
    2,189,889.81x = 6,324,258,950,989.55
  5. Step 5: Solve for x
    x = 6,324,258,950,989.55/2,189,889.81
  6. Step 6: Final answer
    x = 2,887,934.78

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.