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Finding the Fourth Proportional to 2,934,462.60, 4,401,693.90 and 2,561,214.60

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Solution

The fourth proportional to 2,934,462.60, 4,401,693.90 and 2,561,214.60 is: 3,841,821.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,934,462.60 : 4,401,693.90 = 2,561,214.60 : x
  2. Step 2: Convert to fraction form
    2,934,462.60/4,401,693.90 = 2,561,214.60/x
  3. Step 3: Cross multiply
    2,934,462.60x = 4,401,693.90 × 2,561,214.60
  4. Step 4: Simplify right side
    2,934,462.60x = 11,273,682,681,410.94
  5. Step 5: Solve for x
    x = 11,273,682,681,410.94/2,934,462.60
  6. Step 6: Final answer
    x = 3,841,821.90

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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.