Home / 3,621,917.70-5,432,876.55-3,212,511.30

Finding the Fourth Proportional to 3,621,917.70, 5,432,876.55 and 3,212,511.30

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Solution

The fourth proportional to 3,621,917.70, 5,432,876.55 and 3,212,511.30 is: 4,818,766.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,621,917.70 : 5,432,876.55 = 3,212,511.30 : x
  2. Step 2: Convert to fraction form
    3,621,917.70/5,432,876.55 = 3,212,511.30/x
  3. Step 3: Cross multiply
    3,621,917.70x = 5,432,876.55 × 3,212,511.30
  4. Step 4: Simplify right side
    3,621,917.70x = 17,453,177,308,380.01
  5. Step 5: Solve for x
    x = 17,453,177,308,380.01/3,621,917.70
  6. Step 6: Final answer
    x = 4,818,766.95

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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.