Home / 2,719,616.85-4,078,021.42-800,278.62

Finding the Fourth Proportional to 2,719,616.85, 4,078,021.42 and 800,278.62

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Solution

The fourth proportional to 2,719,616.85, 4,078,021.42 and 800,278.62 is: 1,200,004.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,719,616.85 : 4,078,021.42 = 800,278.62 : x
  2. Step 2: Convert to fraction form
    2,719,616.85/4,078,021.42 = 800,278.62/x
  3. Step 3: Cross multiply
    2,719,616.85x = 4,078,021.42 × 800,278.62
  4. Step 4: Simplify right side
    2,719,616.85x = 3,263,553,354,989.18
  5. Step 5: Solve for x
    x = 3,263,553,354,989.18/2,719,616.85
  6. Step 6: Final answer
    x = 1,200,004.83

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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.