Home / 3,856,266.18-5,321,815.29-2,137,388.06

Finding the Fourth Proportional to 3,856,266.18, 5,321,815.29 and 2,137,388.06

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Solution

The fourth proportional to 3,856,266.18, 5,321,815.29 and 2,137,388.06 is: 2,949,688.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,856,266.18 : 5,321,815.29 = 2,137,388.06 : x
  2. Step 2: Convert to fraction form
    3,856,266.18/5,321,815.29 = 2,137,388.06/x
  3. Step 3: Cross multiply
    3,856,266.18x = 5,321,815.29 × 2,137,388.06
  4. Step 4: Simplify right side
    3,856,266.18x = 11,374,784,471,675.98
  5. Step 5: Solve for x
    x = 11,374,784,471,675.98/3,856,266.18
  6. Step 6: Final answer
    x = 2,949,688.62

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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.