Home / 3,442,775.40-5,189,947.83-3,211,565.76

Finding the Fourth Proportional to 3,442,775.40, 5,189,947.83 and 3,211,565.76

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Solution

The fourth proportional to 3,442,775.40, 5,189,947.83 and 3,211,565.76 is: 4,841,401.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,442,775.40 : 5,189,947.83 = 3,211,565.76 : x
  2. Step 2: Convert to fraction form
    3,442,775.40/5,189,947.83 = 3,211,565.76/x
  3. Step 3: Cross multiply
    3,442,775.40x = 5,189,947.83 × 3,211,565.76
  4. Step 4: Simplify right side
    3,442,775.40x = 16,667,858,747,014.30
  5. Step 5: Solve for x
    x = 16,667,858,747,014.30/3,442,775.40
  6. Step 6: Final answer
    x = 4,841,401.72

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.