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Finding the Fourth Proportional to 1,994,618, 2,752,772.04 and 1,189,802

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Solution

The fourth proportional to 1,994,618, 2,752,772.04 and 1,189,802 is: 1,642,045.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,994,618 : 2,752,772.04 = 1,189,802 : x
  2. Step 2: Convert to fraction form
    1,994,618/2,752,772.04 = 1,189,802/x
  3. Step 3: Cross multiply
    1,994,618x = 2,752,772.04 × 1,189,802
  4. Step 4: Simplify right side
    1,994,618x = 3,275,253,678,736.08
  5. Step 5: Solve for x
    x = 3,275,253,678,736.08/1,994,618
  6. Step 6: Final answer
    x = 1,642,045.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.