Home / 3,910,860.85-5,396,999.60-2,168,652.98

Finding the Fourth Proportional to 3,910,860.85, 5,396,999.60 and 2,168,652.98

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Solution

The fourth proportional to 3,910,860.85, 5,396,999.60 and 2,168,652.98 is: 2,992,747.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,910,860.85 : 5,396,999.60 = 2,168,652.98 : x
  2. Step 2: Convert to fraction form
    3,910,860.85/5,396,999.60 = 2,168,652.98/x
  3. Step 3: Cross multiply
    3,910,860.85x = 5,396,999.60 × 2,168,652.98
  4. Step 4: Simplify right side
    3,910,860.85x = 11,704,219,260,608.77
  5. Step 5: Solve for x
    x = 11,704,219,260,608.77/3,910,860.85
  6. Step 6: Final answer
    x = 2,992,747.56

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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.