Home / 2,136,231.44-3,204,871.32-640,322

Finding the Fourth Proportional to 2,136,231.44, 3,204,871.32 and 640,322

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Solution

The fourth proportional to 2,136,231.44, 3,204,871.32 and 640,322 is: 960,640.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,136,231.44 : 3,204,871.32 = 640,322 : x
  2. Step 2: Convert to fraction form
    2,136,231.44/3,204,871.32 = 640,322/x
  3. Step 3: Cross multiply
    2,136,231.44x = 3,204,871.32 × 640,322
  4. Step 4: Simplify right side
    2,136,231.44x = 2,052,149,613,365.04
  5. Step 5: Solve for x
    x = 2,052,149,613,365.04/2,136,231.44
  6. Step 6: Final answer
    x = 960,640.11

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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.