Home / 2,011,321.80-3,016,982.70-1,203,006.60

Finding the Fourth Proportional to 2,011,321.80, 3,016,982.70 and 1,203,006.60

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Solution

The fourth proportional to 2,011,321.80, 3,016,982.70 and 1,203,006.60 is: 1,804,509.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,011,321.80 : 3,016,982.70 = 1,203,006.60 : x
  2. Step 2: Convert to fraction form
    2,011,321.80/3,016,982.70 = 1,203,006.60/x
  3. Step 3: Cross multiply
    2,011,321.80x = 3,016,982.70 × 1,203,006.60
  4. Step 4: Simplify right side
    2,011,321.80x = 3,629,450,100,185.82
  5. Step 5: Solve for x
    x = 3,629,450,100,185.82/2,011,321.80
  6. Step 6: Final answer
    x = 1,804,509.90

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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.