Home / 3,818,958.78-5,270,200.83-2,100,091.26

Finding the Fourth Proportional to 3,818,958.78, 5,270,200.83 and 2,100,091.26

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Solution

The fourth proportional to 3,818,958.78, 5,270,200.83 and 2,100,091.26 is: 2,898,146.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,818,958.78 : 5,270,200.83 = 2,100,091.26 : x
  2. Step 2: Convert to fraction form
    3,818,958.78/5,270,200.83 = 2,100,091.26/x
  3. Step 3: Cross multiply
    3,818,958.78x = 5,270,200.83 × 2,100,091.26
  4. Step 4: Simplify right side
    3,818,958.78x = 11,067,902,701,527.74
  5. Step 5: Solve for x
    x = 11,067,902,701,527.74/3,818,958.78
  6. Step 6: Final answer
    x = 2,898,146.68

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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.