Home / 1,921,772.28-2,651,919.38-1,105,844.28

Finding the Fourth Proportional to 1,921,772.28, 2,651,919.38 and 1,105,844.28

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Solution

The fourth proportional to 1,921,772.28, 2,651,919.38 and 1,105,844.28 is: 1,525,992.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,921,772.28 : 2,651,919.38 = 1,105,844.28 : x
  2. Step 2: Convert to fraction form
    1,921,772.28/2,651,919.38 = 1,105,844.28/x
  3. Step 3: Cross multiply
    1,921,772.28x = 2,651,919.38 × 1,105,844.28
  4. Step 4: Simplify right side
    1,921,772.28x = 2,932,609,866,067.14
  5. Step 5: Solve for x
    x = 2,932,609,866,067.14/1,921,772.28
  6. Step 6: Final answer
    x = 1,525,992.38

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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.