Home / 2,881,817.43-3,977,288.22-2,787,182.29

Finding the Fourth Proportional to 2,881,817.43, 3,977,288.22 and 2,787,182.29

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Solution

The fourth proportional to 2,881,817.43, 3,977,288.22 and 2,787,182.29 is: 3,846,679.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,881,817.43 : 3,977,288.22 = 2,787,182.29 : x
  2. Step 2: Convert to fraction form
    2,881,817.43/3,977,288.22 = 2,787,182.29/x
  3. Step 3: Cross multiply
    2,881,817.43x = 3,977,288.22 × 2,787,182.29
  4. Step 4: Simplify right side
    2,881,817.43x = 11,085,427,289,009.62
  5. Step 5: Solve for x
    x = 11,085,427,289,009.62/2,881,817.43
  6. Step 6: Final answer
    x = 3,846,679.24

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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.