Home / 5,342,857.20-8,019,534.60-2,650,222.80

Finding the Fourth Proportional to 5,342,857.20, 8,019,534.60 and 2,650,222.80

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Solution

The fourth proportional to 5,342,857.20, 8,019,534.60 and 2,650,222.80 is: 3,977,937.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,342,857.20 : 8,019,534.60 = 2,650,222.80 : x
  2. Step 2: Convert to fraction form
    5,342,857.20/8,019,534.60 = 2,650,222.80/x
  3. Step 3: Cross multiply
    5,342,857.20x = 8,019,534.60 × 2,650,222.80
  4. Step 4: Simplify right side
    5,342,857.20x = 21,253,553,442,308.88
  5. Step 5: Solve for x
    x = 21,253,553,442,308.88/5,342,857.20
  6. Step 6: Final answer
    x = 3,977,937.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.