Home / 3,936,939.22-5,432,976.20-2,126,103.22

Finding the Fourth Proportional to 3,936,939.22, 5,432,976.20 and 2,126,103.22

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Solution

The fourth proportional to 3,936,939.22, 5,432,976.20 and 2,126,103.22 is: 2,934,022.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,936,939.22 : 5,432,976.20 = 2,126,103.22 : x
  2. Step 2: Convert to fraction form
    3,936,939.22/5,432,976.20 = 2,126,103.22/x
  3. Step 3: Cross multiply
    3,936,939.22x = 5,432,976.20 × 2,126,103.22
  4. Step 4: Simplify right side
    3,936,939.22x = 11,551,068,193,003.37
  5. Step 5: Solve for x
    x = 11,551,068,193,003.37/3,936,939.22
  6. Step 6: Final answer
    x = 2,934,022.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.