Home / 3,821,129.97-5,731,508.03-1,424,787.72

Finding the Fourth Proportional to 3,821,129.97, 5,731,508.03 and 1,424,787.72

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Solution

The fourth proportional to 3,821,129.97, 5,731,508.03 and 1,424,787.72 is: 2,137,111.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,821,129.97 : 5,731,508.03 = 1,424,787.72 : x
  2. Step 2: Convert to fraction form
    3,821,129.97/5,731,508.03 = 1,424,787.72/x
  3. Step 3: Cross multiply
    3,821,129.97x = 5,731,508.03 × 1,424,787.72
  4. Step 4: Simplify right side
    3,821,129.97x = 8,166,182,251,101.45
  5. Step 5: Solve for x
    x = 8,166,182,251,101.45/3,821,129.97
  6. Step 6: Final answer
    x = 2,137,111.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.