Home / 3,840,381.72-5,299,887.78-2,208,789.54

Finding the Fourth Proportional to 3,840,381.72, 5,299,887.78 and 2,208,789.54

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Solution

The fourth proportional to 3,840,381.72, 5,299,887.78 and 2,208,789.54 is: 3,048,222.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,840,381.72 : 5,299,887.78 = 2,208,789.54 : x
  2. Step 2: Convert to fraction form
    3,840,381.72/5,299,887.78 = 2,208,789.54/x
  3. Step 3: Cross multiply
    3,840,381.72x = 5,299,887.78 × 2,208,789.54
  4. Step 4: Simplify right side
    3,840,381.72x = 11,706,336,691,637.82
  5. Step 5: Solve for x
    x = 11,706,336,691,637.82/3,840,381.72
  6. Step 6: Final answer
    x = 3,048,222.17

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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.