Home / 3,087,749.92-4,261,331.28-1,942,811.68

Finding the Fourth Proportional to 3,087,749.92, 4,261,331.28 and 1,942,811.68

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Solution

The fourth proportional to 3,087,749.92, 4,261,331.28 and 1,942,811.68 is: 2,681,228.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,087,749.92 : 4,261,331.28 = 1,942,811.68 : x
  2. Step 2: Convert to fraction form
    3,087,749.92/4,261,331.28 = 1,942,811.68/x
  3. Step 3: Cross multiply
    3,087,749.92x = 4,261,331.28 × 1,942,811.68
  4. Step 4: Simplify right side
    3,087,749.92x = 8,278,964,183,133.35
  5. Step 5: Solve for x
    x = 8,278,964,183,133.35/3,087,749.92
  6. Step 6: Final answer
    x = 2,681,228.86

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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.