Home / 3,177,293.70-4,763,261.82-1,378,822.32

Finding the Fourth Proportional to 3,177,293.70, 4,763,261.82 and 1,378,822.32

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Solution

The fourth proportional to 3,177,293.70, 4,763,261.82 and 1,378,822.32 is: 2,067,071.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,177,293.70 : 4,763,261.82 = 1,378,822.32 : x
  2. Step 2: Convert to fraction form
    3,177,293.70/4,763,261.82 = 1,378,822.32/x
  3. Step 3: Cross multiply
    3,177,293.70x = 4,763,261.82 × 1,378,822.32
  4. Step 4: Simplify right side
    3,177,293.70x = 6,567,691,713,419.82
  5. Step 5: Solve for x
    x = 6,567,691,713,419.82/3,177,293.70
  6. Step 6: Final answer
    x = 2,067,071.02

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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.