Home / 3,221,933.42-4,446,427.77-1,998,633.15

Finding the Fourth Proportional to 3,221,933.42, 4,446,427.77 and 1,998,633.15

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Solution

The fourth proportional to 3,221,933.42, 4,446,427.77 and 1,998,633.15 is: 2,758,212.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,221,933.42 : 4,446,427.77 = 1,998,633.15 : x
  2. Step 2: Convert to fraction form
    3,221,933.42/4,446,427.77 = 1,998,633.15/x
  3. Step 3: Cross multiply
    3,221,933.42x = 4,446,427.77 × 1,998,633.15
  4. Step 4: Simplify right side
    3,221,933.42x = 8,886,777,940,202.57
  5. Step 5: Solve for x
    x = 8,886,777,940,202.57/3,221,933.42
  6. Step 6: Final answer
    x = 2,758,212.78

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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.