Home / 1,682,911.89-2,522,497.95-1,282,231.62

Finding the Fourth Proportional to 1,682,911.89, 2,522,497.95 and 1,282,231.62

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Solution

The fourth proportional to 1,682,911.89, 2,522,497.95 and 1,282,231.62 is: 1,921,922.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,682,911.89 : 2,522,497.95 = 1,282,231.62 : x
  2. Step 2: Convert to fraction form
    1,682,911.89/2,522,497.95 = 1,282,231.62/x
  3. Step 3: Cross multiply
    1,682,911.89x = 2,522,497.95 × 1,282,231.62
  4. Step 4: Simplify right side
    1,682,911.89x = 3,234,426,632,875.18
  5. Step 5: Solve for x
    x = 3,234,426,632,875.18/1,682,911.89
  6. Step 6: Final answer
    x = 1,921,922.74

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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.