Home / 2,542,861.80-3,509,132.40-1,381,297.50

Finding the Fourth Proportional to 2,542,861.80, 3,509,132.40 and 1,381,297.50

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Solution

The fourth proportional to 2,542,861.80, 3,509,132.40 and 1,381,297.50 is: 1,906,181.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,542,861.80 : 3,509,132.40 = 1,381,297.50 : x
  2. Step 2: Convert to fraction form
    2,542,861.80/3,509,132.40 = 1,381,297.50/x
  3. Step 3: Cross multiply
    2,542,861.80x = 3,509,132.40 × 1,381,297.50
  4. Step 4: Simplify right side
    2,542,861.80x = 4,847,155,811,289
  5. Step 5: Solve for x
    x = 4,847,155,811,289/2,542,861.80
  6. Step 6: Final answer
    x = 1,906,181.38

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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.