Home / 2,881,818.43-3,977,289.60-2,787,183.29

Finding the Fourth Proportional to 2,881,818.43, 3,977,289.60 and 2,787,183.29

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Solution

The fourth proportional to 2,881,818.43, 3,977,289.60 and 2,787,183.29 is: 3,846,680.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,881,818.43 : 3,977,289.60 = 2,787,183.29 : x
  2. Step 2: Convert to fraction form
    2,881,818.43/3,977,289.60 = 2,787,183.29/x
  3. Step 3: Cross multiply
    2,881,818.43x = 3,977,289.60 × 2,787,183.29
  4. Step 4: Simplify right side
    2,881,818.43x = 11,085,435,112,610.79
  5. Step 5: Solve for x
    x = 11,085,435,112,610.79/2,881,818.43
  6. Step 6: Final answer
    x = 3,846,680.62

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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.