Home / 1,951,473.78-2,693,065.74-1,068,408.21

Finding the Fourth Proportional to 1,951,473.78, 2,693,065.74 and 1,068,408.21

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Solution

The fourth proportional to 1,951,473.78, 2,693,065.74 and 1,068,408.21 is: 1,474,420.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,951,473.78 : 2,693,065.74 = 1,068,408.21 : x
  2. Step 2: Convert to fraction form
    1,951,473.78/2,693,065.74 = 1,068,408.21/x
  3. Step 3: Cross multiply
    1,951,473.78x = 2,693,065.74 × 1,068,408.21
  4. Step 4: Simplify right side
    1,951,473.78x = 2,877,293,546,685.73
  5. Step 5: Solve for x
    x = 2,877,293,546,685.73/1,951,473.78
  6. Step 6: Final answer
    x = 1,474,420.81

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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.