Home / 3,269,682.72-4,512,786.60-2,165,167.32

Finding the Fourth Proportional to 3,269,682.72, 4,512,786.60 and 2,165,167.32

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Solution

The fourth proportional to 3,269,682.72, 4,512,786.60 and 2,165,167.32 is: 2,988,344.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,269,682.72 : 4,512,786.60 = 2,165,167.32 : x
  2. Step 2: Convert to fraction form
    3,269,682.72/4,512,786.60 = 2,165,167.32/x
  3. Step 3: Cross multiply
    3,269,682.72x = 4,512,786.60 × 2,165,167.32
  4. Step 4: Simplify right side
    3,269,682.72x = 9,770,938,068,453.91
  5. Step 5: Solve for x
    x = 9,770,938,068,453.91/3,269,682.72
  6. Step 6: Final answer
    x = 2,988,344.41

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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.