Home / 2,780,719.20-4,167,579.60-2,465,791.20

Finding the Fourth Proportional to 2,780,719.20, 4,167,579.60 and 2,465,791.20

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Solution

The fourth proportional to 2,780,719.20, 4,167,579.60 and 2,465,791.20 is: 3,695,583.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,780,719.20 : 4,167,579.60 = 2,465,791.20 : x
  2. Step 2: Convert to fraction form
    2,780,719.20/4,167,579.60 = 2,465,791.20/x
  3. Step 3: Cross multiply
    2,780,719.20x = 4,167,579.60 × 2,465,791.20
  4. Step 4: Simplify right side
    2,780,719.20x = 10,276,381,102,979.52
  5. Step 5: Solve for x
    x = 10,276,381,102,979.52/2,780,719.20
  6. Step 6: Final answer
    x = 3,695,583.90

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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.