Home / 6,638,809.60-9,935,276.80-3,981,324.80

Finding the Fourth Proportional to 6,638,809.60, 9,935,276.80 and 3,981,324.80

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Solution

The fourth proportional to 6,638,809.60, 9,935,276.80 and 3,981,324.80 is: 5,958,231.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,638,809.60 : 9,935,276.80 = 3,981,324.80 : x
  2. Step 2: Convert to fraction form
    6,638,809.60/9,935,276.80 = 3,981,324.80/x
  3. Step 3: Cross multiply
    6,638,809.60x = 9,935,276.80 × 3,981,324.80
  4. Step 4: Simplify right side
    6,638,809.60x = 39,555,563,918,704.64
  5. Step 5: Solve for x
    x = 39,555,563,918,704.64/6,638,809.60
  6. Step 6: Final answer
    x = 5,958,231.42

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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.