Home / 3,427,086.40-4,729,900.31-2,187,231.69

Finding the Fourth Proportional to 3,427,086.40, 4,729,900.31 and 2,187,231.69

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Solution

The fourth proportional to 3,427,086.40, 4,729,900.31 and 2,187,231.69 is: 3,018,712.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,427,086.40 : 4,729,900.31 = 2,187,231.69 : x
  2. Step 2: Convert to fraction form
    3,427,086.40/4,729,900.31 = 2,187,231.69/x
  3. Step 3: Cross multiply
    3,427,086.40x = 4,729,900.31 × 2,187,231.69
  4. Step 4: Simplify right side
    3,427,086.40x = 10,345,387,848,572.82
  5. Step 5: Solve for x
    x = 10,345,387,848,572.82/3,427,086.40
  6. Step 6: Final answer
    x = 3,018,712.29

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.