Home / 3,320,999.20-4,981,498.80-925,213.60

Finding the Fourth Proportional to 3,320,999.20, 4,981,498.80 and 925,213.60

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Solution

The fourth proportional to 3,320,999.20, 4,981,498.80 and 925,213.60 is: 1,387,820.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,320,999.20 : 4,981,498.80 = 925,213.60 : x
  2. Step 2: Convert to fraction form
    3,320,999.20/4,981,498.80 = 925,213.60/x
  3. Step 3: Cross multiply
    3,320,999.20x = 4,981,498.80 × 925,213.60
  4. Step 4: Simplify right side
    3,320,999.20x = 4,608,950,438,143.68
  5. Step 5: Solve for x
    x = 4,608,950,438,143.68/3,320,999.20
  6. Step 6: Final answer
    x = 1,387,820.40

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1.5x scale

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.