Home / 2,145,310.32-3,217,962.32-547,874.40

Finding the Fourth Proportional to 2,145,310.32, 3,217,962.32 and 547,874.40

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Solution

The fourth proportional to 2,145,310.32, 3,217,962.32 and 547,874.40 is: 821,810.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,145,310.32 : 3,217,962.32 = 547,874.40 : x
  2. Step 2: Convert to fraction form
    2,145,310.32/3,217,962.32 = 547,874.40/x
  3. Step 3: Cross multiply
    2,145,310.32x = 3,217,962.32 × 547,874.40
  4. Step 4: Simplify right side
    2,145,310.32x = 1,763,039,175,292.61
  5. Step 5: Solve for x
    x = 1,763,039,175,292.61/2,145,310.32
  6. Step 6: Final answer
    x = 821,810.79

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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.