Home / 2,659,114.20-3,985,949.70-1,309,200.60

Finding the Fourth Proportional to 2,659,114.20, 3,985,949.70 and 1,309,200.60

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Solution

The fourth proportional to 2,659,114.20, 3,985,949.70 and 1,309,200.60 is: 1,962,460.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,659,114.20 : 3,985,949.70 = 1,309,200.60 : x
  2. Step 2: Convert to fraction form
    2,659,114.20/3,985,949.70 = 1,309,200.60/x
  3. Step 3: Cross multiply
    2,659,114.20x = 3,985,949.70 × 1,309,200.60
  4. Step 4: Simplify right side
    2,659,114.20x = 5,218,407,738,809.82
  5. Step 5: Solve for x
    x = 5,218,407,738,809.82/2,659,114.20
  6. Step 6: Final answer
    x = 1,962,460.93

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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.