Home / 1,951,474.78-2,693,067.12-1,068,409.21

Finding the Fourth Proportional to 1,951,474.78, 2,693,067.12 and 1,068,409.21

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Solution

The fourth proportional to 1,951,474.78, 2,693,067.12 and 1,068,409.21 is: 1,474,422.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,951,474.78 : 2,693,067.12 = 1,068,409.21 : x
  2. Step 2: Convert to fraction form
    1,951,474.78/2,693,067.12 = 1,068,409.21/x
  3. Step 3: Cross multiply
    1,951,474.78x = 2,693,067.12 × 1,068,409.21
  4. Step 4: Simplify right side
    1,951,474.78x = 2,877,297,714,156.18
  5. Step 5: Solve for x
    x = 2,877,297,714,156.18/1,951,474.78
  6. Step 6: Final answer
    x = 1,474,422.19

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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.