Home / 1,992,169.65-2,972,716.77-1,777,461.60

Finding the Fourth Proportional to 1,992,169.65, 2,972,716.77 and 1,777,461.60

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Solution

The fourth proportional to 1,992,169.65, 2,972,716.77 and 1,777,461.60 is: 2,652,329.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,992,169.65 : 2,972,716.77 = 1,777,461.60 : x
  2. Step 2: Convert to fraction form
    1,992,169.65/2,972,716.77 = 1,777,461.60/x
  3. Step 3: Cross multiply
    1,992,169.65x = 2,972,716.77 × 1,777,461.60
  4. Step 4: Simplify right side
    1,992,169.65x = 5,283,889,906,351.03
  5. Step 5: Solve for x
    x = 5,283,889,906,351.03/1,992,169.65
  6. Step 6: Final answer
    x = 2,652,329.29

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.