Home / 2,520,628.40-3,783,400.20-1,259,879.60

Finding the Fourth Proportional to 2,520,628.40, 3,783,400.20 and 1,259,879.60

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Solution

The fourth proportional to 2,520,628.40, 3,783,400.20 and 1,259,879.60 is: 1,891,047.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,520,628.40 : 3,783,400.20 = 1,259,879.60 : x
  2. Step 2: Convert to fraction form
    2,520,628.40/3,783,400.20 = 1,259,879.60/x
  3. Step 3: Cross multiply
    2,520,628.40x = 3,783,400.20 × 1,259,879.60
  4. Step 4: Simplify right side
    2,520,628.40x = 4,766,628,730,615.92
  5. Step 5: Solve for x
    x = 4,766,628,730,615.92/2,520,628.40
  6. Step 6: Final answer
    x = 1,891,047.78

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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.