Home / 2,914,979.12-4,022,657.84-1,608,195.60

Finding the Fourth Proportional to 2,914,979.12, 4,022,657.84 and 1,608,195.60

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Solution

The fourth proportional to 2,914,979.12, 4,022,657.84 and 1,608,195.60 is: 2,219,302.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,914,979.12 : 4,022,657.84 = 1,608,195.60 : x
  2. Step 2: Convert to fraction form
    2,914,979.12/4,022,657.84 = 1,608,195.60/x
  3. Step 3: Cross multiply
    2,914,979.12x = 4,022,657.84 × 1,608,195.60
  4. Step 4: Simplify right side
    2,914,979.12x = 6,469,220,638,593.50
  5. Step 5: Solve for x
    x = 6,469,220,638,593.50/2,914,979.12
  6. Step 6: Final answer
    x = 2,219,302.57

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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.