Home / 2,379,013.23-3,282,949.91-1,291,261.39

Finding the Fourth Proportional to 2,379,013.23, 3,282,949.91 and 1,291,261.39

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Solution

The fourth proportional to 2,379,013.23, 3,282,949.91 and 1,291,261.39 is: 1,781,892.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,379,013.23 : 3,282,949.91 = 1,291,261.39 : x
  2. Step 2: Convert to fraction form
    2,379,013.23/3,282,949.91 = 1,291,261.39/x
  3. Step 3: Cross multiply
    2,379,013.23x = 3,282,949.91 × 1,291,261.39
  4. Step 4: Simplify right side
    2,379,013.23x = 4,239,146,464,086.97
  5. Step 5: Solve for x
    x = 4,239,146,464,086.97/2,379,013.23
  6. Step 6: Final answer
    x = 1,781,892.77

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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.