Home / 3,910,375.89-5,396,638.19-2,168,590.77

Finding the Fourth Proportional to 3,910,375.89, 5,396,638.19 and 2,168,590.77

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Solution

The fourth proportional to 3,910,375.89, 5,396,638.19 and 2,168,590.77 is: 2,992,832.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,910,375.89 : 5,396,638.19 = 2,168,590.77 : x
  2. Step 2: Convert to fraction form
    3,910,375.89/5,396,638.19 = 2,168,590.77/x
  3. Step 3: Cross multiply
    3,910,375.89x = 5,396,638.19 × 2,168,590.77
  4. Step 4: Simplify right side
    3,910,375.89x = 11,703,099,757,020.55
  5. Step 5: Solve for x
    x = 11,703,099,757,020.55/3,910,375.89
  6. Step 6: Final answer
    x = 2,992,832.42

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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.