Home / 2,188,251.67-3,019,939.46-1,221,570.67

Finding the Fourth Proportional to 2,188,251.67, 3,019,939.46 and 1,221,570.67

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Solution

The fourth proportional to 2,188,251.67, 3,019,939.46 and 1,221,570.67 is: 1,685,852.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,188,251.67 : 3,019,939.46 = 1,221,570.67 : x
  2. Step 2: Convert to fraction form
    2,188,251.67/3,019,939.46 = 1,221,570.67/x
  3. Step 3: Cross multiply
    2,188,251.67x = 3,019,939.46 × 1,221,570.67
  4. Step 4: Simplify right side
    2,188,251.67x = 3,689,069,469,511.64
  5. Step 5: Solve for x
    x = 3,689,069,469,511.64/2,188,251.67
  6. Step 6: Final answer
    x = 1,685,852.46

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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.