Home / 6,439,717.53-9,659,907.18-1,647,448.38

Finding the Fourth Proportional to 6,439,717.53, 9,659,907.18 and 1,647,448.38

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Solution

The fourth proportional to 6,439,717.53, 9,659,907.18 and 1,647,448.38 is: 2,471,257.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,439,717.53 : 9,659,907.18 = 1,647,448.38 : x
  2. Step 2: Convert to fraction form
    6,439,717.53/9,659,907.18 = 1,647,448.38/x
  3. Step 3: Cross multiply
    6,439,717.53x = 9,659,907.18 × 1,647,448.38
  4. Step 4: Simplify right side
    6,439,717.53x = 15,914,198,434,641.37
  5. Step 5: Solve for x
    x = 15,914,198,434,641.37/6,439,717.53
  6. Step 6: Final answer
    x = 2,471,257.22

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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.