Home / 3,940,679.85-5,911,019.78-1,543,727.85

Finding the Fourth Proportional to 3,940,679.85, 5,911,019.78 and 1,543,727.85

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Solution

The fourth proportional to 3,940,679.85, 5,911,019.78 and 1,543,727.85 is: 2,315,591.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,940,679.85 : 5,911,019.78 = 1,543,727.85 : x
  2. Step 2: Convert to fraction form
    3,940,679.85/5,911,019.78 = 1,543,727.85/x
  3. Step 3: Cross multiply
    3,940,679.85x = 5,911,019.78 × 1,543,727.85
  4. Step 4: Simplify right side
    3,940,679.85x = 9,125,005,848,568.24
  5. Step 5: Solve for x
    x = 9,125,005,848,568.24/3,940,679.85
  6. Step 6: Final answer
    x = 2,315,591.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.