Home / 2,650,892.80-3,977,001.60-853,945.60

Finding the Fourth Proportional to 2,650,892.80, 3,977,001.60 and 853,945.60

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Solution

The fourth proportional to 2,650,892.80, 3,977,001.60 and 853,945.60 is: 1,281,131.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,650,892.80 : 3,977,001.60 = 853,945.60 : x
  2. Step 2: Convert to fraction form
    2,650,892.80/3,977,001.60 = 853,945.60/x
  3. Step 3: Cross multiply
    2,650,892.80x = 3,977,001.60 × 853,945.60
  4. Step 4: Simplify right side
    2,650,892.80x = 3,396,143,017,512.96
  5. Step 5: Solve for x
    x = 3,396,143,017,512.96/2,650,892.80
  6. Step 6: Final answer
    x = 1,281,131.78

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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.