Home / 1,614,285.30-2,227,728.78-889,135.68

Finding the Fourth Proportional to 1,614,285.30, 2,227,728.78 and 889,135.68

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Solution

The fourth proportional to 1,614,285.30, 2,227,728.78 and 889,135.68 is: 1,227,015.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,614,285.30 : 2,227,728.78 = 889,135.68 : x
  2. Step 2: Convert to fraction form
    1,614,285.30/2,227,728.78 = 889,135.68/x
  3. Step 3: Cross multiply
    1,614,285.30x = 2,227,728.78 × 889,135.68
  4. Step 4: Simplify right side
    1,614,285.30x = 1,980,753,143,660.87
  5. Step 5: Solve for x
    x = 1,980,753,143,660.87/1,614,285.30
  6. Step 6: Final answer
    x = 1,227,015.54

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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.