Home / 3,783,260.79-5,221,015.11-2,151,902.97

Finding the Fourth Proportional to 3,783,260.79, 5,221,015.11 and 2,151,902.97

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Solution

The fourth proportional to 3,783,260.79, 5,221,015.11 and 2,151,902.97 is: 2,969,691.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,783,260.79 : 5,221,015.11 = 2,151,902.97 : x
  2. Step 2: Convert to fraction form
    3,783,260.79/5,221,015.11 = 2,151,902.97/x
  3. Step 3: Cross multiply
    3,783,260.79x = 5,221,015.11 × 2,151,902.97
  4. Step 4: Simplify right side
    3,783,260.79x = 11,235,117,921,623.88
  5. Step 5: Solve for x
    x = 11,235,117,921,623.88/3,783,260.79
  6. Step 6: Final answer
    x = 2,969,691.64

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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.