Home / 3,469,853.37-4,787,826.39-2,179,780.14

Finding the Fourth Proportional to 3,469,853.37, 4,787,826.39 and 2,179,780.14

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Solution

The fourth proportional to 3,469,853.37, 4,787,826.39 and 2,179,780.14 is: 3,007,737.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,469,853.37 : 4,787,826.39 = 2,179,780.14 : x
  2. Step 2: Convert to fraction form
    3,469,853.37/4,787,826.39 = 2,179,780.14/x
  3. Step 3: Cross multiply
    3,469,853.37x = 4,787,826.39 × 2,179,780.14
  4. Step 4: Simplify right side
    3,469,853.37x = 10,436,408,878,689.89
  5. Step 5: Solve for x
    x = 10,436,408,878,689.89/3,469,853.37
  6. Step 6: Final answer
    x = 3,007,737.72

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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.