Home / 2,542,940.32-3,509,294.88-1,381,408.32

Finding the Fourth Proportional to 2,542,940.32, 3,509,294.88 and 1,381,408.32

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Solution

The fourth proportional to 2,542,940.32, 3,509,294.88 and 1,381,408.32 is: 1,906,363.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,542,940.32 : 3,509,294.88 = 1,381,408.32 : x
  2. Step 2: Convert to fraction form
    2,542,940.32/3,509,294.88 = 1,381,408.32/x
  3. Step 3: Cross multiply
    2,542,940.32x = 3,509,294.88 × 1,381,408.32
  4. Step 4: Simplify right side
    2,542,940.32x = 4,847,769,144,565.40
  5. Step 5: Solve for x
    x = 4,847,769,144,565.40/2,542,940.32
  6. Step 6: Final answer
    x = 1,906,363.71

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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.