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Finding the Fourth Proportional to 3,868,033.03, 5,802,043.20 and 1,028,145.22

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Solution

The fourth proportional to 3,868,033.03, 5,802,043.20 and 1,028,145.22 is: 1,542,216.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,868,033.03 : 5,802,043.20 = 1,028,145.22 : x
  2. Step 2: Convert to fraction form
    3,868,033.03/5,802,043.20 = 1,028,145.22/x
  3. Step 3: Cross multiply
    3,868,033.03x = 5,802,043.20 × 1,028,145.22
  4. Step 4: Simplify right side
    3,868,033.03x = 5,965,342,982,313.50
  5. Step 5: Solve for x
    x = 5,965,342,982,313.50/3,868,033.03
  6. Step 6: Final answer
    x = 1,542,216.14

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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.