Home / 2,311,402.03-3,189,828.82-1,278,893.02

Finding the Fourth Proportional to 2,311,402.03, 3,189,828.82 and 1,278,893.02

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Solution

The fourth proportional to 2,311,402.03, 3,189,828.82 and 1,278,893.02 is: 1,764,924.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,311,402.03 : 3,189,828.82 = 1,278,893.02 : x
  2. Step 2: Convert to fraction form
    2,311,402.03/3,189,828.82 = 1,278,893.02/x
  3. Step 3: Cross multiply
    2,311,402.03x = 3,189,828.82 × 1,278,893.02
  4. Step 4: Simplify right side
    2,311,402.03x = 4,079,449,812,892.84
  5. Step 5: Solve for x
    x = 4,079,449,812,892.84/2,311,402.03
  6. Step 6: Final answer
    x = 1,764,924.39

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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.