Home / 3,867,338.96-5,335,438.92-2,851,159.76

Finding the Fourth Proportional to 3,867,338.96, 5,335,438.92 and 2,851,159.76

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Solution

The fourth proportional to 3,867,338.96, 5,335,438.92 and 2,851,159.76 is: 3,933,502.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,867,338.96 : 5,335,438.92 = 2,851,159.76 : x
  2. Step 2: Convert to fraction form
    3,867,338.96/5,335,438.92 = 2,851,159.76/x
  3. Step 3: Cross multiply
    3,867,338.96x = 5,335,438.92 × 2,851,159.76
  4. Step 4: Simplify right side
    3,867,338.96x = 15,212,188,750,641.86
  5. Step 5: Solve for x
    x = 15,212,188,750,641.86/3,867,338.96
  6. Step 6: Final answer
    x = 3,933,502.83

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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.