Home / 2,188,620-3,282,944.58-692,712

Finding the Fourth Proportional to 2,188,620, 3,282,944.58 and 692,712

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Solution

The fourth proportional to 2,188,620, 3,282,944.58 and 692,712 is: 1,039,072.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,188,620 : 3,282,944.58 = 692,712 : x
  2. Step 2: Convert to fraction form
    2,188,620/3,282,944.58 = 692,712/x
  3. Step 3: Cross multiply
    2,188,620x = 3,282,944.58 × 692,712
  4. Step 4: Simplify right side
    2,188,620x = 2,274,135,105,900.96
  5. Step 5: Solve for x
    x = 2,274,135,105,900.96/2,188,620
  6. Step 6: Final answer
    x = 1,039,072.61

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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.