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Finding the Fourth Proportional to 4,787,843, 6,607,223.34 and 2,641,667

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Solution

The fourth proportional to 4,787,843, 6,607,223.34 and 2,641,667 is: 3,645,500.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,787,843 : 6,607,223.34 = 2,641,667 : x
  2. Step 2: Convert to fraction form
    4,787,843/6,607,223.34 = 2,641,667/x
  3. Step 3: Cross multiply
    4,787,843x = 6,607,223.34 × 2,641,667
  4. Step 4: Simplify right side
    4,787,843x = 17,454,083,858,907.78
  5. Step 5: Solve for x
    x = 17,454,083,858,907.78/4,787,843
  6. Step 6: Final answer
    x = 3,645,500.46

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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.