Home / 3,871,264-5,342,344.32-2,175,520

Finding the Fourth Proportional to 3,871,264, 5,342,344.32 and 2,175,520

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Solution

The fourth proportional to 3,871,264, 5,342,344.32 and 2,175,520 is: 3,002,217.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,871,264 : 5,342,344.32 = 2,175,520 : x
  2. Step 2: Convert to fraction form
    3,871,264/5,342,344.32 = 2,175,520/x
  3. Step 3: Cross multiply
    3,871,264x = 5,342,344.32 × 2,175,520
  4. Step 4: Simplify right side
    3,871,264x = 11,622,376,915,046.40
  5. Step 5: Solve for x
    x = 11,622,376,915,046.40/3,871,264
  6. Step 6: Final answer
    x = 3,002,217.60

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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.