Home / 1,904,171.88-2,856,267.62-642,010.44

Finding the Fourth Proportional to 1,904,171.88, 2,856,267.62 and 642,010.44

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Solution

The fourth proportional to 1,904,171.88, 2,856,267.62 and 642,010.44 is: 963,018.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,904,171.88 : 2,856,267.62 = 642,010.44 : x
  2. Step 2: Convert to fraction form
    1,904,171.88/2,856,267.62 = 642,010.44/x
  3. Step 3: Cross multiply
    1,904,171.88x = 2,856,267.62 × 642,010.44
  4. Step 4: Simplify right side
    1,904,171.88x = 1,833,753,631,473.95
  5. Step 5: Solve for x
    x = 1,833,753,631,473.95/1,904,171.88
  6. Step 6: Final answer
    x = 963,018.96

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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.