Home / 2,467,857.87-3,405,817.40-1,380,230.64

Finding the Fourth Proportional to 2,467,857.87, 3,405,817.40 and 1,380,230.64

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Solution

The fourth proportional to 2,467,857.87, 3,405,817.40 and 1,380,230.64 is: 1,904,815.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,467,857.87 : 3,405,817.40 = 1,380,230.64 : x
  2. Step 2: Convert to fraction form
    2,467,857.87/3,405,817.40 = 1,380,230.64/x
  3. Step 3: Cross multiply
    2,467,857.87x = 3,405,817.40 × 1,380,230.64
  4. Step 4: Simplify right side
    2,467,857.87x = 4,700,813,522,823.98
  5. Step 5: Solve for x
    x = 4,700,813,522,823.98/2,467,857.87
  6. Step 6: Final answer
    x = 1,904,815.34

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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.