Home / 3,904,072.76-5,387,618.94-2,185,192.82

Finding the Fourth Proportional to 3,904,072.76, 5,387,618.94 and 2,185,192.82

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Solution

The fourth proportional to 3,904,072.76, 5,387,618.94 and 2,185,192.82 is: 3,015,565.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,904,072.76 : 5,387,618.94 = 2,185,192.82 : x
  2. Step 2: Convert to fraction form
    3,904,072.76/5,387,618.94 = 2,185,192.82/x
  3. Step 3: Cross multiply
    3,904,072.76x = 5,387,618.94 × 2,185,192.82
  4. Step 4: Simplify right side
    3,904,072.76x = 11,772,986,224,584.01
  5. Step 5: Solve for x
    x = 11,772,986,224,584.01/3,904,072.76
  6. Step 6: Final answer
    x = 3,015,565.27

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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.