Home / 2,631,172.88-3,631,018.53-1,423,948.88

Finding the Fourth Proportional to 2,631,172.88, 3,631,018.53 and 1,423,948.88

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Solution

The fourth proportional to 2,631,172.88, 3,631,018.53 and 1,423,948.88 is: 1,965,049.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,631,172.88 : 3,631,018.53 = 1,423,948.88 : x
  2. Step 2: Convert to fraction form
    2,631,172.88/3,631,018.53 = 1,423,948.88/x
  3. Step 3: Cross multiply
    2,631,172.88x = 3,631,018.53 × 1,423,948.88
  4. Step 4: Simplify right side
    2,631,172.88x = 5,170,384,769,052.75
  5. Step 5: Solve for x
    x = 5,170,384,769,052.75/2,631,172.88
  6. Step 6: Final answer
    x = 1,965,049.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.