Home / 2,605,449.60-3,908,563.20-922,420.80

Finding the Fourth Proportional to 2,605,449.60, 3,908,563.20 and 922,420.80

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Solution

The fourth proportional to 2,605,449.60, 3,908,563.20 and 922,420.80 is: 1,383,768.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,605,449.60 : 3,908,563.20 = 922,420.80 : x
  2. Step 2: Convert to fraction form
    2,605,449.60/3,908,563.20 = 922,420.80/x
  3. Step 3: Cross multiply
    2,605,449.60x = 3,908,563.20 × 922,420.80
  4. Step 4: Simplify right side
    2,605,449.60x = 3,605,339,993,794.56
  5. Step 5: Solve for x
    x = 3,605,339,993,794.56/2,605,449.60
  6. Step 6: Final answer
    x = 1,383,768.85

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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.