Home / 2,142,677.16-3,214,025.64-722,745.72

Finding the Fourth Proportional to 2,142,677.16, 3,214,025.64 and 722,745.72

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Solution

The fourth proportional to 2,142,677.16, 3,214,025.64 and 722,745.72 is: 1,084,121.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,142,677.16 : 3,214,025.64 = 722,745.72 : x
  2. Step 2: Convert to fraction form
    2,142,677.16/3,214,025.64 = 722,745.72/x
  3. Step 3: Cross multiply
    2,142,677.16x = 3,214,025.64 × 722,745.72
  4. Step 4: Simplify right side
    2,142,677.16x = 2,322,923,275,280.26
  5. Step 5: Solve for x
    x = 2,322,923,275,280.26/2,142,677.16
  6. Step 6: Final answer
    x = 1,084,121.92

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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.