Home / 5,986,690.20-8,981,201.70-2,391,845.40

Finding the Fourth Proportional to 5,986,690.20, 8,981,201.70 and 2,391,845.40

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Solution

The fourth proportional to 5,986,690.20, 8,981,201.70 and 2,391,845.40 is: 3,588,234.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,986,690.20 : 8,981,201.70 = 2,391,845.40 : x
  2. Step 2: Convert to fraction form
    5,986,690.20/8,981,201.70 = 2,391,845.40/x
  3. Step 3: Cross multiply
    5,986,690.20x = 8,981,201.70 × 2,391,845.40
  4. Step 4: Simplify right side
    5,986,690.20x = 21,481,645,972,617.18
  5. Step 5: Solve for x
    x = 21,481,645,972,617.18/5,986,690.20
  6. Step 6: Final answer
    x = 3,588,234.11

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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.