Home / 2,863,821-3,951,971.82-1,574,652.36

Finding the Fourth Proportional to 2,863,821, 3,951,971.82 and 1,574,652.36

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Solution

The fourth proportional to 2,863,821, 3,951,971.82 and 1,574,652.36 is: 2,172,964.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,863,821 : 3,951,971.82 = 1,574,652.36 : x
  2. Step 2: Convert to fraction form
    2,863,821/3,951,971.82 = 1,574,652.36/x
  3. Step 3: Cross multiply
    2,863,821x = 3,951,971.82 × 1,574,652.36
  4. Step 4: Simplify right side
    2,863,821x = 6,222,981,753,016.50
  5. Step 5: Solve for x
    x = 6,222,981,753,016.50/2,863,821
  6. Step 6: Final answer
    x = 2,172,964.63

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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.