Home / 3,021,149.43-4,526,679.56-2,120,979.62

Finding the Fourth Proportional to 3,021,149.43, 4,526,679.56 and 2,120,979.62

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Solution

The fourth proportional to 3,021,149.43, 4,526,679.56 and 2,120,979.62 is: 3,177,927.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,021,149.43 : 4,526,679.56 = 2,120,979.62 : x
  2. Step 2: Convert to fraction form
    3,021,149.43/4,526,679.56 = 2,120,979.62/x
  3. Step 3: Cross multiply
    3,021,149.43x = 4,526,679.56 × 2,120,979.62
  4. Step 4: Simplify right side
    3,021,149.43x = 9,600,995,059,792.27
  5. Step 5: Solve for x
    x = 9,600,995,059,792.27/3,021,149.43
  6. Step 6: Final answer
    x = 3,177,927.90

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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.