Home / 3,904,054.68-5,387,539.62-2,161,557.12

Finding the Fourth Proportional to 3,904,054.68, 5,387,539.62 and 2,161,557.12

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Solution

The fourth proportional to 3,904,054.68, 5,387,539.62 and 2,161,557.12 is: 2,982,917.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,904,054.68 : 5,387,539.62 = 2,161,557.12 : x
  2. Step 2: Convert to fraction form
    3,904,054.68/5,387,539.62 = 2,161,557.12/x
  3. Step 3: Cross multiply
    3,904,054.68x = 5,387,539.62 × 2,161,557.12
  4. Step 4: Simplify right side
    3,904,054.68x = 11,645,474,624,893.10
  5. Step 5: Solve for x
    x = 11,645,474,624,893.10/3,904,054.68
  6. Step 6: Final answer
    x = 2,982,917.91

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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.