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Finding the Fourth Proportional to 4,981,447.79, 6,874,410.43 and 2,888,695.88

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Solution

The fourth proportional to 4,981,447.79, 6,874,410.43 and 2,888,695.88 is: 3,986,407.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,981,447.79 : 6,874,410.43 = 2,888,695.88 : x
  2. Step 2: Convert to fraction form
    4,981,447.79/6,874,410.43 = 2,888,695.88/x
  3. Step 3: Cross multiply
    4,981,447.79x = 6,874,410.43 × 2,888,695.88
  4. Step 4: Simplify right side
    4,981,447.79x = 19,858,081,081,587.89
  5. Step 5: Solve for x
    x = 19,858,081,081,587.89/4,981,447.79
  6. Step 6: Final answer
    x = 3,986,407.55

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