Home / 6,469,840.80-9,704,761.20-3,102,314.40

Finding the Fourth Proportional to 6,469,840.80, 9,704,761.20 and 3,102,314.40

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Solution

The fourth proportional to 6,469,840.80, 9,704,761.20 and 3,102,314.40 is: 4,653,471.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,469,840.80 : 9,704,761.20 = 3,102,314.40 : x
  2. Step 2: Convert to fraction form
    6,469,840.80/9,704,761.20 = 3,102,314.40/x
  3. Step 3: Cross multiply
    6,469,840.80x = 9,704,761.20 × 3,102,314.40
  4. Step 4: Simplify right side
    6,469,840.80x = 30,107,220,419,321.28
  5. Step 5: Solve for x
    x = 30,107,220,419,321.28/6,469,840.80
  6. Step 6: Final answer
    x = 4,653,471.60

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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.