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Finding the Fourth Proportional to 2,718,983.60, 4,073,809.80 and 1,771,866.80

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Solution

The fourth proportional to 2,718,983.60, 4,073,809.80 and 1,771,866.80 is: 2,654,759.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,718,983.60 : 4,073,809.80 = 1,771,866.80 : x
  2. Step 2: Convert to fraction form
    2,718,983.60/4,073,809.80 = 1,771,866.80/x
  3. Step 3: Cross multiply
    2,718,983.60x = 4,073,809.80 × 1,771,866.80
  4. Step 4: Simplify right side
    2,718,983.60x = 7,218,248,334,134.64
  5. Step 5: Solve for x
    x = 7,218,248,334,134.64/2,718,983.60
  6. Step 6: Final answer
    x = 2,654,759.79

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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.