Home / 2,812,512.24-4,218,099.30-1,214,200.80

Finding the Fourth Proportional to 2,812,512.24, 4,218,099.30 and 1,214,200.80

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Solution

The fourth proportional to 2,812,512.24, 4,218,099.30 and 1,214,200.80 is: 1,821,012.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,812,512.24 : 4,218,099.30 = 1,214,200.80 : x
  2. Step 2: Convert to fraction form
    2,812,512.24/4,218,099.30 = 1,214,200.80/x
  3. Step 3: Cross multiply
    2,812,512.24x = 4,218,099.30 × 1,214,200.80
  4. Step 4: Simplify right side
    2,812,512.24x = 5,121,619,544,539.44
  5. Step 5: Solve for x
    x = 5,121,619,544,539.44/2,812,512.24
  6. Step 6: Final answer
    x = 1,821,012.36

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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.