Home / 2,399,171.44-3,310,856.74-1,311,447.32

Finding the Fourth Proportional to 2,399,171.44, 3,310,856.74 and 1,311,447.32

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Solution

The fourth proportional to 2,399,171.44, 3,310,856.74 and 1,311,447.32 is: 1,809,797.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,399,171.44 : 3,310,856.74 = 1,311,447.32 : x
  2. Step 2: Convert to fraction form
    2,399,171.44/3,310,856.74 = 1,311,447.32/x
  3. Step 3: Cross multiply
    2,399,171.44x = 3,310,856.74 × 1,311,447.32
  4. Step 4: Simplify right side
    2,399,171.44x = 4,342,014,198,576.94
  5. Step 5: Solve for x
    x = 4,342,014,198,576.94/2,399,171.44
  6. Step 6: Final answer
    x = 1,809,797.39

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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.