Home / 2,079,454.16-3,119,478.78-640,259.33

Finding the Fourth Proportional to 2,079,454.16, 3,119,478.78 and 640,259.33

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Solution

The fourth proportional to 2,079,454.16, 3,119,478.78 and 640,259.33 is: 960,480.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,079,454.16 : 3,119,478.78 = 640,259.33 : x
  2. Step 2: Convert to fraction form
    2,079,454.16/3,119,478.78 = 640,259.33/x
  3. Step 3: Cross multiply
    2,079,454.16x = 3,119,478.78 × 640,259.33
  4. Step 4: Simplify right side
    2,079,454.16x = 1,997,275,393,632.02
  5. Step 5: Solve for x
    x = 1,997,275,393,632.02/2,079,454.16
  6. Step 6: Final answer
    x = 960,480.61

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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.