Home / 2,635,198.20-3,950,172.90-1,212,773.40

Finding the Fourth Proportional to 2,635,198.20, 3,950,172.90 and 1,212,773.40

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Solution

The fourth proportional to 2,635,198.20, 3,950,172.90 and 1,212,773.40 is: 1,817,952.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,635,198.20 : 3,950,172.90 = 1,212,773.40 : x
  2. Step 2: Convert to fraction form
    2,635,198.20/3,950,172.90 = 1,212,773.40/x
  3. Step 3: Cross multiply
    2,635,198.20x = 3,950,172.90 × 1,212,773.40
  4. Step 4: Simplify right side
    2,635,198.20x = 4,790,664,618,520.86
  5. Step 5: Solve for x
    x = 4,790,664,618,520.86/2,635,198.20
  6. Step 6: Final answer
    x = 1,817,952.30

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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.