Home / 3,188,942.47-4,400,739.34-1,738,639.09

Finding the Fourth Proportional to 3,188,942.47, 4,400,739.34 and 1,738,639.09

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Solution

The fourth proportional to 3,188,942.47, 4,400,739.34 and 1,738,639.09 is: 2,399,321.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,188,942.47 : 4,400,739.34 = 1,738,639.09 : x
  2. Step 2: Convert to fraction form
    3,188,942.47/4,400,739.34 = 1,738,639.09/x
  3. Step 3: Cross multiply
    3,188,942.47x = 4,400,739.34 × 1,738,639.09
  4. Step 4: Simplify right side
    3,188,942.47x = 7,651,297,441,424.80
  5. Step 5: Solve for x
    x = 7,651,297,441,424.80/3,188,942.47
  6. Step 6: Final answer
    x = 2,399,321.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.