Home / 2,083,135.66-3,121,866.36-1,172,752.36

Finding the Fourth Proportional to 2,083,135.66, 3,121,866.36 and 1,172,752.36

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Solution

The fourth proportional to 2,083,135.66, 3,121,866.36 and 1,172,752.36 is: 1,757,531.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,083,135.66 : 3,121,866.36 = 1,172,752.36 : x
  2. Step 2: Convert to fraction form
    2,083,135.66/3,121,866.36 = 1,172,752.36/x
  3. Step 3: Cross multiply
    2,083,135.66x = 3,121,866.36 × 1,172,752.36
  4. Step 4: Simplify right side
    2,083,135.66x = 3,661,176,133,489.94
  5. Step 5: Solve for x
    x = 3,661,176,133,489.94/2,083,135.66
  6. Step 6: Final answer
    x = 1,757,531.31

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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.