Home / 3,910,648.79-5,397,251.48-2,168,705.60

Finding the Fourth Proportional to 3,910,648.79, 5,397,251.48 and 2,168,705.60

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Solution

The fourth proportional to 3,910,648.79, 5,397,251.48 and 2,168,705.60 is: 2,993,122.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,910,648.79 : 5,397,251.48 = 2,168,705.60 : x
  2. Step 2: Convert to fraction form
    3,910,648.79/5,397,251.48 = 2,168,705.60/x
  3. Step 3: Cross multiply
    3,910,648.79x = 5,397,251.48 × 2,168,705.60
  4. Step 4: Simplify right side
    3,910,648.79x = 11,705,049,491,694.19
  5. Step 5: Solve for x
    x = 11,705,049,491,694.19/3,910,648.79
  6. Step 6: Final answer
    x = 2,993,122.14

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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.