Home / 3,936,865.40-5,432,874.22-2,126,029.24

Finding the Fourth Proportional to 3,936,865.40, 5,432,874.22 and 2,126,029.24

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Solution

The fourth proportional to 3,936,865.40, 5,432,874.22 and 2,126,029.24 is: 2,933,920.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,936,865.40 : 5,432,874.22 = 2,126,029.24 : x
  2. Step 2: Convert to fraction form
    3,936,865.40/5,432,874.22 = 2,126,029.24/x
  3. Step 3: Cross multiply
    3,936,865.40x = 5,432,874.22 × 2,126,029.24
  4. Step 4: Simplify right side
    3,936,865.40x = 11,550,449,448,962.19
  5. Step 5: Solve for x
    x = 11,550,449,448,962.19/3,936,865.40
  6. Step 6: Final answer
    x = 2,933,920.33

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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.