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Finding the Fourth Proportional to 2,659,894.47, 3,670,658.44 and 1,513,974.81

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Solution

The fourth proportional to 2,659,894.47, 3,670,658.44 and 1,513,974.81 is: 2,089,287.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,659,894.47 : 3,670,658.44 = 1,513,974.81 : x
  2. Step 2: Convert to fraction form
    2,659,894.47/3,670,658.44 = 1,513,974.81/x
  3. Step 3: Cross multiply
    2,659,894.47x = 3,670,658.44 × 1,513,974.81
  4. Step 4: Simplify right side
    2,659,894.47x = 5,557,284,424,253.93
  5. Step 5: Solve for x
    x = 5,557,284,424,253.93/2,659,894.47
  6. Step 6: Final answer
    x = 2,089,287.56

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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.