Home / 5,213,721.38-7,821,764.87-1,847,928.38

Finding the Fourth Proportional to 5,213,721.38, 7,821,764.87 and 1,847,928.38

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Solution

The fourth proportional to 5,213,721.38, 7,821,764.87 and 1,847,928.38 is: 2,772,311.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,213,721.38 : 7,821,764.87 = 1,847,928.38 : x
  2. Step 2: Convert to fraction form
    5,213,721.38/7,821,764.87 = 1,847,928.38/x
  3. Step 3: Cross multiply
    5,213,721.38x = 7,821,764.87 × 1,847,928.38
  4. Step 4: Simplify right side
    5,213,721.38x = 14,454,061,236,611.54
  5. Step 5: Solve for x
    x = 14,454,061,236,611.54/5,213,721.38
  6. Step 6: Final answer
    x = 2,772,311.79

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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.