Home / 3,783,786.48-5,672,304.92-1,387,071.62

Finding the Fourth Proportional to 3,783,786.48, 5,672,304.92 and 1,387,071.62

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Solution

The fourth proportional to 3,783,786.48, 5,672,304.92 and 1,387,071.62 is: 2,079,370.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,783,786.48 : 5,672,304.92 = 1,387,071.62 : x
  2. Step 2: Convert to fraction form
    3,783,786.48/5,672,304.92 = 1,387,071.62/x
  3. Step 3: Cross multiply
    3,783,786.48x = 5,672,304.92 × 1,387,071.62
  4. Step 4: Simplify right side
    3,783,786.48x = 7,867,893,174,518.37
  5. Step 5: Solve for x
    x = 7,867,893,174,518.37/3,783,786.48
  6. Step 6: Final answer
    x = 2,079,370.29

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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.