Home / 2,919,872.14-4,378,473.06-897,411.22

Finding the Fourth Proportional to 2,919,872.14, 4,378,473.06 and 897,411.22

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Solution

The fourth proportional to 2,919,872.14, 4,378,473.06 and 897,411.22 is: 1,345,706.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,919,872.14 : 4,378,473.06 = 897,411.22 : x
  2. Step 2: Convert to fraction form
    2,919,872.14/4,378,473.06 = 897,411.22/x
  3. Step 3: Cross multiply
    2,919,872.14x = 4,378,473.06 × 897,411.22
  4. Step 4: Simplify right side
    2,919,872.14x = 3,929,290,850,511.73
  5. Step 5: Solve for x
    x = 3,929,290,850,511.73/2,919,872.14
  6. Step 6: Final answer
    x = 1,345,706.48

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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.