Home / 2,147,884.26-3,221,825.25-631,579.80

Finding the Fourth Proportional to 2,147,884.26, 3,221,825.25 and 631,579.80

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Solution

The fourth proportional to 2,147,884.26, 3,221,825.25 and 631,579.80 is: 947,369.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,147,884.26 : 3,221,825.25 = 631,579.80 : x
  2. Step 2: Convert to fraction form
    2,147,884.26/3,221,825.25 = 631,579.80/x
  3. Step 3: Cross multiply
    2,147,884.26x = 3,221,825.25 × 631,579.80
  4. Step 4: Simplify right side
    2,147,884.26x = 2,034,839,747,029.95
  5. Step 5: Solve for x
    x = 2,034,839,747,029.95/2,147,884.26
  6. Step 6: Final answer
    x = 947,369.36

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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.