Home / 3,834,212.76-5,291,028.95-2,091,778.43

Finding the Fourth Proportional to 3,834,212.76, 5,291,028.95 and 2,091,778.43

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Solution

The fourth proportional to 3,834,212.76, 5,291,028.95 and 2,091,778.43 is: 2,886,553.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,834,212.76 : 5,291,028.95 = 2,091,778.43 : x
  2. Step 2: Convert to fraction form
    3,834,212.76/5,291,028.95 = 2,091,778.43/x
  3. Step 3: Cross multiply
    3,834,212.76x = 5,291,028.95 × 2,091,778.43
  4. Step 4: Simplify right side
    3,834,212.76x = 11,067,660,193,201.51
  5. Step 5: Solve for x
    x = 11,067,660,193,201.51/3,834,212.76
  6. Step 6: Final answer
    x = 2,886,553.48

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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.