Home / 2,086,795.20-3,131,575.20-1,188,235.20

Finding the Fourth Proportional to 2,086,795.20, 3,131,575.20 and 1,188,235.20

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Solution

The fourth proportional to 2,086,795.20, 3,131,575.20 and 1,188,235.20 is: 1,783,139.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,086,795.20 : 3,131,575.20 = 1,188,235.20 : x
  2. Step 2: Convert to fraction form
    2,086,795.20/3,131,575.20 = 1,188,235.20/x
  3. Step 3: Cross multiply
    2,086,795.20x = 3,131,575.20 × 1,188,235.20
  4. Step 4: Simplify right side
    2,086,795.20x = 3,721,047,884,087.04
  5. Step 5: Solve for x
    x = 3,721,047,884,087.04/2,086,795.20
  6. Step 6: Final answer
    x = 1,783,139.95

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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.