Home / 3,691,920.43-5,094,820.56-2,143,325.80

Finding the Fourth Proportional to 3,691,920.43, 5,094,820.56 and 2,143,325.80

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Solution

The fourth proportional to 3,691,920.43, 5,094,820.56 and 2,143,325.80 is: 2,957,772.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,691,920.43 : 5,094,820.56 = 2,143,325.80 : x
  2. Step 2: Convert to fraction form
    3,691,920.43/5,094,820.56 = 2,143,325.80/x
  3. Step 3: Cross multiply
    3,691,920.43x = 5,094,820.56 × 2,143,325.80
  4. Step 4: Simplify right side
    3,691,920.43x = 10,919,860,352,618.45
  5. Step 5: Solve for x
    x = 10,919,860,352,618.45/3,691,920.43
  6. Step 6: Final answer
    x = 2,957,772.40

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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.