Home / 3,987,767.20-5,981,650.80-2,074,579.60

Finding the Fourth Proportional to 3,987,767.20, 5,981,650.80 and 2,074,579.60

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Solution

The fourth proportional to 3,987,767.20, 5,981,650.80 and 2,074,579.60 is: 3,111,869.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,987,767.20 : 5,981,650.80 = 2,074,579.60 : x
  2. Step 2: Convert to fraction form
    3,987,767.20/5,981,650.80 = 2,074,579.60/x
  3. Step 3: Cross multiply
    3,987,767.20x = 5,981,650.80 × 2,074,579.60
  4. Step 4: Simplify right side
    3,987,767.20x = 12,409,410,724,003.68
  5. Step 5: Solve for x
    x = 12,409,410,724,003.68/3,987,767.20
  6. Step 6: Final answer
    x = 3,111,869.40

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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.