Home / 3,858,137.60-5,321,158.08-2,481,639.44

Finding the Fourth Proportional to 3,858,137.60, 5,321,158.08 and 2,481,639.44

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Solution

The fourth proportional to 3,858,137.60, 5,321,158.08 and 2,481,639.44 is: 3,422,686.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,858,137.60 : 5,321,158.08 = 2,481,639.44 : x
  2. Step 2: Convert to fraction form
    3,858,137.60/5,321,158.08 = 2,481,639.44/x
  3. Step 3: Cross multiply
    3,858,137.60x = 5,321,158.08 × 2,481,639.44
  4. Step 4: Simplify right side
    3,858,137.60x = 13,205,195,757,802.68
  5. Step 5: Solve for x
    x = 13,205,195,757,802.68/3,858,137.60
  6. Step 6: Final answer
    x = 3,422,686.57

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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.