Home / 3,867,738.86-5,337,645.72-2,148,859.37

Finding the Fourth Proportional to 3,867,738.86, 5,337,645.72 and 2,148,859.37

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Solution

The fourth proportional to 3,867,738.86, 5,337,645.72 and 2,148,859.37 is: 2,965,518.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,867,738.86 : 5,337,645.72 = 2,148,859.37 : x
  2. Step 2: Convert to fraction form
    3,867,738.86/5,337,645.72 = 2,148,859.37/x
  3. Step 3: Cross multiply
    3,867,738.86x = 5,337,645.72 × 2,148,859.37
  4. Step 4: Simplify right side
    3,867,738.86x = 11,469,850,019,162.40
  5. Step 5: Solve for x
    x = 11,469,850,019,162.40/3,867,738.86
  6. Step 6: Final answer
    x = 2,965,518.21

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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.