Home / 1,992,166.44-2,987,880.30-855,130.56

Finding the Fourth Proportional to 1,992,166.44, 2,987,880.30 and 855,130.56

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Solution

The fourth proportional to 1,992,166.44, 2,987,880.30 and 855,130.56 is: 1,282,537.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,992,166.44 : 2,987,880.30 = 855,130.56 : x
  2. Step 2: Convert to fraction form
    1,992,166.44/2,987,880.30 = 855,130.56/x
  3. Step 3: Cross multiply
    1,992,166.44x = 2,987,880.30 × 855,130.56
  4. Step 4: Simplify right side
    1,992,166.44x = 2,555,027,754,151.97
  5. Step 5: Solve for x
    x = 2,555,027,754,151.97/1,992,166.44
  6. Step 6: Final answer
    x = 1,282,537.29

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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.