Home / 4,152,912.20-6,228,201.90-1,313,894.60

Finding the Fourth Proportional to 4,152,912.20, 6,228,201.90 and 1,313,894.60

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Solution

The fourth proportional to 4,152,912.20, 6,228,201.90 and 1,313,894.60 is: 1,970,472.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,152,912.20 : 6,228,201.90 = 1,313,894.60 : x
  2. Step 2: Convert to fraction form
    4,152,912.20/6,228,201.90 = 1,313,894.60/x
  3. Step 3: Cross multiply
    4,152,912.20x = 6,228,201.90 × 1,313,894.60
  4. Step 4: Simplify right side
    4,152,912.20x = 8,183,200,844,119.74
  5. Step 5: Solve for x
    x = 8,183,200,844,119.74/4,152,912.20
  6. Step 6: Final answer
    x = 1,970,472.88

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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.