Home / 2,861,966.37-3,949,664.94-1,621,817.42

Finding the Fourth Proportional to 2,861,966.37, 3,949,664.94 and 1,621,817.42

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Solution

The fourth proportional to 2,861,966.37, 3,949,664.94 and 1,621,817.42 is: 2,238,193.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,861,966.37 : 3,949,664.94 = 1,621,817.42 : x
  2. Step 2: Convert to fraction form
    2,861,966.37/3,949,664.94 = 1,621,817.42/x
  3. Step 3: Cross multiply
    2,861,966.37x = 3,949,664.94 × 1,621,817.42
  4. Step 4: Simplify right side
    2,861,966.37x = 6,405,635,383,106.93
  5. Step 5: Solve for x
    x = 6,405,635,383,106.93/2,861,966.37
  6. Step 6: Final answer
    x = 2,238,193.80

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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.