Home / 1,789,517.72-2,688,760.64-1,681,900.92

Finding the Fourth Proportional to 1,789,517.72, 2,688,760.64 and 1,681,900.92

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Solution

The fourth proportional to 1,789,517.72, 2,688,760.64 and 1,681,900.92 is: 2,527,065.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,789,517.72 : 2,688,760.64 = 1,681,900.92 : x
  2. Step 2: Convert to fraction form
    1,789,517.72/2,688,760.64 = 1,681,900.92/x
  3. Step 3: Cross multiply
    1,789,517.72x = 2,688,760.64 × 1,681,900.92
  4. Step 4: Simplify right side
    1,789,517.72x = 4,522,228,998,280.54
  5. Step 5: Solve for x
    x = 4,522,228,998,280.54/1,789,517.72
  6. Step 6: Final answer
    x = 2,527,065.78

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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.