Home / 3,209,102.76-4,813,787.26-2,647,090.60

Finding the Fourth Proportional to 3,209,102.76, 4,813,787.26 and 2,647,090.60

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Solution

The fourth proportional to 3,209,102.76, 4,813,787.26 and 2,647,090.60 is: 3,970,745.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,209,102.76 : 4,813,787.26 = 2,647,090.60 : x
  2. Step 2: Convert to fraction form
    3,209,102.76/4,813,787.26 = 2,647,090.60/x
  3. Step 3: Cross multiply
    3,209,102.76x = 4,813,787.26 × 2,647,090.60
  4. Step 4: Simplify right side
    3,209,102.76x = 12,742,531,006,345.76
  5. Step 5: Solve for x
    x = 12,742,531,006,345.76/3,209,102.76
  6. Step 6: Final answer
    x = 3,970,745.71

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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.