Home / 1,995,151.61-2,993,147.73-647,208.97

Finding the Fourth Proportional to 1,995,151.61, 2,993,147.73 and 647,208.97

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Solution

The fourth proportional to 1,995,151.61, 2,993,147.73 and 647,208.97 is: 970,949.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,995,151.61 : 2,993,147.73 = 647,208.97 : x
  2. Step 2: Convert to fraction form
    1,995,151.61/2,993,147.73 = 647,208.97/x
  3. Step 3: Cross multiply
    1,995,151.61x = 2,993,147.73 × 647,208.97
  4. Step 4: Simplify right side
    1,995,151.61x = 1,937,192,051,908.27
  5. Step 5: Solve for x
    x = 1,937,192,051,908.27/1,995,151.61
  6. Step 6: Final answer
    x = 970,949.80

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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.