Home / 4,157,371.89-5,741,135.15-3,930,943.68

Finding the Fourth Proportional to 4,157,371.89, 5,741,135.15 and 3,930,943.68

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Solution

The fourth proportional to 4,157,371.89, 5,741,135.15 and 3,930,943.68 is: 5,428,448.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,157,371.89 : 5,741,135.15 = 3,930,943.68 : x
  2. Step 2: Convert to fraction form
    4,157,371.89/5,741,135.15 = 3,930,943.68/x
  3. Step 3: Cross multiply
    4,157,371.89x = 5,741,135.15 × 3,930,943.68
  4. Step 4: Simplify right side
    4,157,371.89x = 22,568,078,914,263.63
  5. Step 5: Solve for x
    x = 22,568,078,914,263.63/4,157,371.89
  6. Step 6: Final answer
    x = 5,428,448.43

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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.