Home / 3,936,019.80-5,431,812.30-2,217,037.80

Finding the Fourth Proportional to 3,936,019.80, 5,431,812.30 and 2,217,037.80

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Solution

The fourth proportional to 3,936,019.80, 5,431,812.30 and 2,217,037.80 is: 3,059,571.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,936,019.80 : 5,431,812.30 = 2,217,037.80 : x
  2. Step 2: Convert to fraction form
    3,936,019.80/5,431,812.30 = 2,217,037.80/x
  3. Step 3: Cross multiply
    3,936,019.80x = 5,431,812.30 × 2,217,037.80
  4. Step 4: Simplify right side
    3,936,019.80x = 12,042,533,191,604.94
  5. Step 5: Solve for x
    x = 12,042,533,191,604.94/3,936,019.80
  6. Step 6: Final answer
    x = 3,059,571.29

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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.