Home / 1,821,186.92-2,513,241.68-1,005,391.73

Finding the Fourth Proportional to 1,821,186.92, 2,513,241.68 and 1,005,391.73

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Solution

The fourth proportional to 1,821,186.92, 2,513,241.68 and 1,005,391.73 is: 1,387,442.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,821,186.92 : 2,513,241.68 = 1,005,391.73 : x
  2. Step 2: Convert to fraction form
    1,821,186.92/2,513,241.68 = 1,005,391.73/x
  3. Step 3: Cross multiply
    1,821,186.92x = 2,513,241.68 × 1,005,391.73
  4. Step 4: Simplify right side
    1,821,186.92x = 2,526,792,387,682.47
  5. Step 5: Solve for x
    x = 2,526,792,387,682.47/1,821,186.92
  6. Step 6: Final answer
    x = 1,387,442.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.