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Finding the Fourth Proportional to 3,661,852.86, 5,493,078.81 and 1,839,280.65

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Solution

The fourth proportional to 3,661,852.86, 5,493,078.81 and 1,839,280.65 is: 2,759,071.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,661,852.86 : 5,493,078.81 = 1,839,280.65 : x
  2. Step 2: Convert to fraction form
    3,661,852.86/5,493,078.81 = 1,839,280.65/x
  3. Step 3: Cross multiply
    3,661,852.86x = 5,493,078.81 × 1,839,280.65
  4. Step 4: Simplify right side
    3,661,852.86x = 10,103,313,564,158.03
  5. Step 5: Solve for x
    x = 10,103,313,564,158.03/3,661,852.86
  6. Step 6: Final answer
    x = 2,759,071.42

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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.