Home / 3,871,257-5,342,334.66-2,175,513

Finding the Fourth Proportional to 3,871,257, 5,342,334.66 and 2,175,513

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Solution

The fourth proportional to 3,871,257, 5,342,334.66 and 2,175,513 is: 3,002,207.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,871,257 : 5,342,334.66 = 2,175,513 : x
  2. Step 2: Convert to fraction form
    3,871,257/5,342,334.66 = 2,175,513/x
  3. Step 3: Cross multiply
    3,871,257x = 5,342,334.66 × 2,175,513
  4. Step 4: Simplify right side
    3,871,257x = 11,622,318,503,180.58
  5. Step 5: Solve for x
    x = 11,622,318,503,180.58/3,871,257
  6. Step 6: Final answer
    x = 3,002,207.94

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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.