Home / 2,208,992.20-3,313,488.30-1,642,121.80

Finding the Fourth Proportional to 2,208,992.20, 3,313,488.30 and 1,642,121.80

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Solution

The fourth proportional to 2,208,992.20, 3,313,488.30 and 1,642,121.80 is: 2,463,182.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,208,992.20 : 3,313,488.30 = 1,642,121.80 : x
  2. Step 2: Convert to fraction form
    2,208,992.20/3,313,488.30 = 1,642,121.80/x
  3. Step 3: Cross multiply
    2,208,992.20x = 3,313,488.30 × 1,642,121.80
  4. Step 4: Simplify right side
    2,208,992.20x = 5,441,151,371,474.94
  5. Step 5: Solve for x
    x = 5,441,151,371,474.94/2,208,992.20
  6. Step 6: Final answer
    x = 2,463,182.70

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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.