Home / 2,181,363.77-3,273,540.38-761,419.73

Finding the Fourth Proportional to 2,181,363.77, 3,273,540.38 and 761,419.73

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Solution

The fourth proportional to 2,181,363.77, 3,273,540.38 and 761,419.73 is: 1,142,651.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,181,363.77 : 3,273,540.38 = 761,419.73 : x
  2. Step 2: Convert to fraction form
    2,181,363.77/3,273,540.38 = 761,419.73/x
  3. Step 3: Cross multiply
    2,181,363.77x = 3,273,540.38 × 761,419.73
  4. Step 4: Simplify right side
    2,181,363.77x = 2,492,538,212,108.90
  5. Step 5: Solve for x
    x = 2,492,538,212,108.90/2,181,363.77
  6. Step 6: Final answer
    x = 1,142,651.33

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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.