Home / 2,819,172.09-4,228,758.14-689,230.92

Finding the Fourth Proportional to 2,819,172.09, 4,228,758.14 and 689,230.92

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Solution

The fourth proportional to 2,819,172.09, 4,228,758.14 and 689,230.92 is: 1,033,846.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,819,172.09 : 4,228,758.14 = 689,230.92 : x
  2. Step 2: Convert to fraction form
    2,819,172.09/4,228,758.14 = 689,230.92/x
  3. Step 3: Cross multiply
    2,819,172.09x = 4,228,758.14 × 689,230.92
  4. Step 4: Simplify right side
    2,819,172.09x = 2,914,590,859,843.53
  5. Step 5: Solve for x
    x = 2,914,590,859,843.53/2,819,172.09
  6. Step 6: Final answer
    x = 1,033,846.38

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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.