Home / 3,885,465.04-5,361,976.56-2,143,201.18

Finding the Fourth Proportional to 3,885,465.04, 5,361,976.56 and 2,143,201.18

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Solution

The fourth proportional to 3,885,465.04, 5,361,976.56 and 2,143,201.18 is: 2,957,636.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,885,465.04 : 5,361,976.56 = 2,143,201.18 : x
  2. Step 2: Convert to fraction form
    3,885,465.04/5,361,976.56 = 2,143,201.18/x
  3. Step 3: Cross multiply
    3,885,465.04x = 5,361,976.56 × 2,143,201.18
  4. Step 4: Simplify right side
    3,885,465.04x = 11,491,794,490,524.34
  5. Step 5: Solve for x
    x = 11,491,794,490,524.34/3,885,465.04
  6. Step 6: Final answer
    x = 2,957,636.83

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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.