Home / 4,311,516.80-6,468,196.80-1,320,003.20

Finding the Fourth Proportional to 4,311,516.80, 6,468,196.80 and 1,320,003.20

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Solution

The fourth proportional to 4,311,516.80, 6,468,196.80 and 1,320,003.20 is: 1,980,286.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,311,516.80 : 6,468,196.80 = 1,320,003.20 : x
  2. Step 2: Convert to fraction form
    4,311,516.80/6,468,196.80 = 1,320,003.20/x
  3. Step 3: Cross multiply
    4,311,516.80x = 6,468,196.80 × 1,320,003.20
  4. Step 4: Simplify right side
    4,311,516.80x = 8,538,040,474,229.76
  5. Step 5: Solve for x
    x = 8,538,040,474,229.76/4,311,516.80
  6. Step 6: Final answer
    x = 1,980,286.95

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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.