Home / 2,630,138.80-3,944,916.60-2,155,997.20

Finding the Fourth Proportional to 2,630,138.80, 3,944,916.60 and 2,155,997.20

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Solution

The fourth proportional to 2,630,138.80, 3,944,916.60 and 2,155,997.20 is: 3,233,756.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,630,138.80 : 3,944,916.60 = 2,155,997.20 : x
  2. Step 2: Convert to fraction form
    2,630,138.80/3,944,916.60 = 2,155,997.20/x
  3. Step 3: Cross multiply
    2,630,138.80x = 3,944,916.60 × 2,155,997.20
  4. Step 4: Simplify right side
    2,630,138.80x = 8,505,229,143,833.52
  5. Step 5: Solve for x
    x = 8,505,229,143,833.52/2,630,138.80
  6. Step 6: Final answer
    x = 3,233,756.77

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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.