Home / 3,421,910.40-5,121,806.40-2,669,884.80

Finding the Fourth Proportional to 3,421,910.40, 5,121,806.40 and 2,669,884.80

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Solution

The fourth proportional to 3,421,910.40, 5,121,806.40 and 2,669,884.80 is: 3,996,198.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,421,910.40 : 5,121,806.40 = 2,669,884.80 : x
  2. Step 2: Convert to fraction form
    3,421,910.40/5,121,806.40 = 2,669,884.80/x
  3. Step 3: Cross multiply
    3,421,910.40x = 5,121,806.40 × 2,669,884.80
  4. Step 4: Simplify right side
    3,421,910.40x = 13,674,633,055,902.72
  5. Step 5: Solve for x
    x = 13,674,633,055,902.72/3,421,910.40
  6. Step 6: Final answer
    x = 3,996,198.46

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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.