Home / 2,143,122.22-3,212,447.73-722,690.02

Finding the Fourth Proportional to 2,143,122.22, 3,212,447.73 and 722,690.02

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Solution

The fourth proportional to 2,143,122.22, 3,212,447.73 and 722,690.02 is: 1,083,281.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,143,122.22 : 3,212,447.73 = 722,690.02 : x
  2. Step 2: Convert to fraction form
    2,143,122.22/3,212,447.73 = 722,690.02/x
  3. Step 3: Cross multiply
    2,143,122.22x = 3,212,447.73 × 722,690.02
  4. Step 4: Simplify right side
    2,143,122.22x = 2,321,603,914,242.65
  5. Step 5: Solve for x
    x = 2,321,603,914,242.65/2,143,122.22
  6. Step 6: Final answer
    x = 1,083,281.16

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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.