Home / 5,422,989.68-7,484,389.44-3,131,146.52

Finding the Fourth Proportional to 5,422,989.68, 7,484,389.44 and 3,131,146.52

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Solution

The fourth proportional to 5,422,989.68, 7,484,389.44 and 3,131,146.52 is: 4,321,365.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,422,989.68 : 7,484,389.44 = 3,131,146.52 : x
  2. Step 2: Convert to fraction form
    5,422,989.68/7,484,389.44 = 3,131,146.52/x
  3. Step 3: Cross multiply
    5,422,989.68x = 7,484,389.44 × 3,131,146.52
  4. Step 4: Simplify right side
    5,422,989.68x = 23,434,719,949,380.75
  5. Step 5: Solve for x
    x = 23,434,719,949,380.75/5,422,989.68
  6. Step 6: Final answer
    x = 4,321,365.40

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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.