Home / 2,399,118.06-3,310,691.49-1,311,380.40

Finding the Fourth Proportional to 2,399,118.06, 3,310,691.49 and 1,311,380.40

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Solution

The fourth proportional to 2,399,118.06, 3,310,691.49 and 1,311,380.40 is: 1,809,654.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,399,118.06 : 3,310,691.49 = 1,311,380.40 : x
  2. Step 2: Convert to fraction form
    2,399,118.06/3,310,691.49 = 1,311,380.40/x
  3. Step 3: Cross multiply
    2,399,118.06x = 3,310,691.49 × 1,311,380.40
  4. Step 4: Simplify right side
    2,399,118.06x = 4,341,575,930,432.80
  5. Step 5: Solve for x
    x = 4,341,575,930,432.80/2,399,118.06
  6. Step 6: Final answer
    x = 1,809,654.97

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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.