Home / 3,120,795.57-4,305,481.36-1,958,563.60

Finding the Fourth Proportional to 3,120,795.57, 4,305,481.36 and 1,958,563.60

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Solution

The fourth proportional to 3,120,795.57, 4,305,481.36 and 1,958,563.60 is: 2,702,054.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120,795.57 : 4,305,481.36 = 1,958,563.60 : x
  2. Step 2: Convert to fraction form
    3,120,795.57/4,305,481.36 = 1,958,563.60/x
  3. Step 3: Cross multiply
    3,120,795.57x = 4,305,481.36 × 1,958,563.60
  4. Step 4: Simplify right side
    3,120,795.57x = 8,432,559,072,174.50
  5. Step 5: Solve for x
    x = 8,432,559,072,174.50/3,120,795.57
  6. Step 6: Final answer
    x = 2,702,054.29

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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.