Home / 2,081,318.70-3,121,200.45-1,448,352.30

Finding the Fourth Proportional to 2,081,318.70, 3,121,200.45 and 1,448,352.30

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Solution

The fourth proportional to 2,081,318.70, 3,121,200.45 and 1,448,352.30 is: 2,171,987.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,081,318.70 : 3,121,200.45 = 1,448,352.30 : x
  2. Step 2: Convert to fraction form
    2,081,318.70/3,121,200.45 = 1,448,352.30/x
  3. Step 3: Cross multiply
    2,081,318.70x = 3,121,200.45 × 1,448,352.30
  4. Step 4: Simplify right side
    2,081,318.70x = 4,520,597,850,518.54
  5. Step 5: Solve for x
    x = 4,520,597,850,518.54/2,081,318.70
  6. Step 6: Final answer
    x = 2,171,987.33

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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.