Home / 3,481,252.20-5,220,161.51-1,431,538.39

Finding the Fourth Proportional to 3,481,252.20, 5,220,161.51 and 1,431,538.39

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Solution

The fourth proportional to 3,481,252.20, 5,220,161.51 and 1,431,538.39 is: 2,146,601.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,481,252.20 : 5,220,161.51 = 1,431,538.39 : x
  2. Step 2: Convert to fraction form
    3,481,252.20/5,220,161.51 = 1,431,538.39/x
  3. Step 3: Cross multiply
    3,481,252.20x = 5,220,161.51 × 1,431,538.39
  4. Step 4: Simplify right side
    3,481,252.20x = 7,472,861,602,932.88
  5. Step 5: Solve for x
    x = 7,472,861,602,932.88/3,481,252.20
  6. Step 6: Final answer
    x = 2,146,601.62

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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.