Home / 1,899,622.27-2,621,479.30-1,028,456.79

Finding the Fourth Proportional to 1,899,622.27, 2,621,479.30 and 1,028,456.79

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Solution

The fourth proportional to 1,899,622.27, 2,621,479.30 and 1,028,456.79 is: 1,419,270.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,899,622.27 : 2,621,479.30 = 1,028,456.79 : x
  2. Step 2: Convert to fraction form
    1,899,622.27/2,621,479.30 = 1,028,456.79/x
  3. Step 3: Cross multiply
    1,899,622.27x = 2,621,479.30 × 1,028,456.79
  4. Step 4: Simplify right side
    1,899,622.27x = 2,696,078,189,912.00
  5. Step 5: Solve for x
    x = 2,696,078,189,912.00/1,899,622.27
  6. Step 6: Final answer
    x = 1,419,270.68

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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.