Home / 2,825,890.20-4,237,523.10-1,227,630.60

Finding the Fourth Proportional to 2,825,890.20, 4,237,523.10 and 1,227,630.60

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Solution

The fourth proportional to 2,825,890.20, 4,237,523.10 and 1,227,630.60 is: 1,840,875.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,825,890.20 : 4,237,523.10 = 1,227,630.60 : x
  2. Step 2: Convert to fraction form
    2,825,890.20/4,237,523.10 = 1,227,630.60/x
  3. Step 3: Cross multiply
    2,825,890.20x = 4,237,523.10 × 1,227,630.60
  4. Step 4: Simplify right side
    2,825,890.20x = 5,202,113,025,766.86
  5. Step 5: Solve for x
    x = 5,202,113,025,766.86/2,825,890.20
  6. Step 6: Final answer
    x = 1,840,875.85

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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.