Home / 2,863,621.71-3,951,872.81-1,556,961.66

Finding the Fourth Proportional to 2,863,621.71, 3,951,872.81 and 1,556,961.66

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Solution

The fourth proportional to 2,863,621.71, 3,951,872.81 and 1,556,961.66 is: 2,148,647.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,863,621.71 : 3,951,872.81 = 1,556,961.66 : x
  2. Step 2: Convert to fraction form
    2,863,621.71/3,951,872.81 = 1,556,961.66/x
  3. Step 3: Cross multiply
    2,863,621.71x = 3,951,872.81 × 1,556,961.66
  4. Step 4: Simplify right side
    2,863,621.71x = 6,152,914,442,581.66
  5. Step 5: Solve for x
    x = 6,152,914,442,581.66/2,863,621.71
  6. Step 6: Final answer
    x = 2,148,647.78

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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.