Home / 2,067,890.28-3,101,425.74-1,965,356.43

Finding the Fourth Proportional to 2,067,890.28, 3,101,425.74 and 1,965,356.43

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Solution

The fourth proportional to 2,067,890.28, 3,101,425.74 and 1,965,356.43 is: 2,947,645.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,067,890.28 : 3,101,425.74 = 1,965,356.43 : x
  2. Step 2: Convert to fraction form
    2,067,890.28/3,101,425.74 = 1,965,356.43/x
  3. Step 3: Cross multiply
    2,067,890.28x = 3,101,425.74 × 1,965,356.43
  4. Step 4: Simplify right side
    2,067,890.28x = 6,095,407,020,276.51
  5. Step 5: Solve for x
    x = 6,095,407,020,276.51/2,067,890.28
  6. Step 6: Final answer
    x = 2,947,645.28

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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.