Home / 1,943,590.82-2,680,709.38-1,427,182.61

Finding the Fourth Proportional to 1,943,590.82, 2,680,709.38 and 1,427,182.61

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Solution

The fourth proportional to 1,943,590.82, 2,680,709.38 and 1,427,182.61 is: 1,968,450.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,943,590.82 : 2,680,709.38 = 1,427,182.61 : x
  2. Step 2: Convert to fraction form
    1,943,590.82/2,680,709.38 = 1,427,182.61/x
  3. Step 3: Cross multiply
    1,943,590.82x = 2,680,709.38 × 1,427,182.61
  4. Step 4: Simplify right side
    1,943,590.82x = 3,825,861,792,628.38
  5. Step 5: Solve for x
    x = 3,825,861,792,628.38/1,943,590.82
  6. Step 6: Final answer
    x = 1,968,450.23

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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.