Home / 2,192,786.45-3,289,142.36-655,785.37

Finding the Fourth Proportional to 2,192,786.45, 3,289,142.36 and 655,785.37

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Solution

The fourth proportional to 2,192,786.45, 3,289,142.36 and 655,785.37 is: 983,666.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,192,786.45 : 3,289,142.36 = 655,785.37 : x
  2. Step 2: Convert to fraction form
    2,192,786.45/3,289,142.36 = 655,785.37/x
  3. Step 3: Cross multiply
    2,192,786.45x = 3,289,142.36 × 655,785.37
  4. Step 4: Simplify right side
    2,192,786.45x = 2,156,971,454,536.88
  5. Step 5: Solve for x
    x = 2,156,971,454,536.88/2,192,786.45
  6. Step 6: Final answer
    x = 983,666.90

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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.