Home / 2,221,239.18-3,327,419.16-1,021,517.40

Finding the Fourth Proportional to 2,221,239.18, 3,327,419.16 and 1,021,517.40

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Solution

The fourth proportional to 2,221,239.18, 3,327,419.16 and 1,021,517.40 is: 1,530,234.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,221,239.18 : 3,327,419.16 = 1,021,517.40 : x
  2. Step 2: Convert to fraction form
    2,221,239.18/3,327,419.16 = 1,021,517.40/x
  3. Step 3: Cross multiply
    2,221,239.18x = 3,327,419.16 × 1,021,517.40
  4. Step 4: Simplify right side
    2,221,239.18x = 3,399,016,569,033.38
  5. Step 5: Solve for x
    x = 3,399,016,569,033.38/2,221,239.18
  6. Step 6: Final answer
    x = 1,530,234.38

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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.