Home / 3,211,172.75-4,820,869.58-2,758,659.05

Finding the Fourth Proportional to 3,211,172.75, 4,820,869.58 and 2,758,659.05

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Solution

The fourth proportional to 3,211,172.75, 4,820,869.58 and 2,758,659.05 is: 4,141,519.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,211,172.75 : 4,820,869.58 = 2,758,659.05 : x
  2. Step 2: Convert to fraction form
    3,211,172.75/4,820,869.58 = 2,758,659.05/x
  3. Step 3: Cross multiply
    3,211,172.75x = 4,820,869.58 × 2,758,659.05
  4. Step 4: Simplify right side
    3,211,172.75x = 13,299,135,457,839.06
  5. Step 5: Solve for x
    x = 13,299,135,457,839.06/3,211,172.75
  6. Step 6: Final answer
    x = 4,141,519.79

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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.