Home / 2,079,452.16-3,119,475.78-640,257.33

Finding the Fourth Proportional to 2,079,452.16, 3,119,475.78 and 640,257.33

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Solution

The fourth proportional to 2,079,452.16, 3,119,475.78 and 640,257.33 is: 960,477.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,079,452.16 : 3,119,475.78 = 640,257.33 : x
  2. Step 2: Convert to fraction form
    2,079,452.16/3,119,475.78 = 640,257.33/x
  3. Step 3: Cross multiply
    2,079,452.16x = 3,119,475.78 × 640,257.33
  4. Step 4: Simplify right side
    2,079,452.16x = 1,997,267,245,600.50
  5. Step 5: Solve for x
    x = 1,997,267,245,600.50/2,079,452.16
  6. Step 6: Final answer
    x = 960,477.61

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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.