Home / 2,285,803.20-3,154,446.72-1,253,289.60

Finding the Fourth Proportional to 2,285,803.20, 3,154,446.72 and 1,253,289.60

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Solution

The fourth proportional to 2,285,803.20, 3,154,446.72 and 1,253,289.60 is: 1,729,560.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,285,803.20 : 3,154,446.72 = 1,253,289.60 : x
  2. Step 2: Convert to fraction form
    2,285,803.20/3,154,446.72 = 1,253,289.60/x
  3. Step 3: Cross multiply
    2,285,803.20x = 3,154,446.72 × 1,253,289.60
  4. Step 4: Simplify right side
    2,285,803.20x = 3,953,435,267,930.11
  5. Step 5: Solve for x
    x = 3,953,435,267,930.11/2,285,803.20
  6. Step 6: Final answer
    x = 1,729,560.65

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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.