Home / 5,761,976.40-7,951,511.06-3,183,638.78

Finding the Fourth Proportional to 5,761,976.40, 7,951,511.06 and 3,183,638.78

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Solution

The fourth proportional to 5,761,976.40, 7,951,511.06 and 3,183,638.78 is: 4,393,412.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,761,976.40 : 7,951,511.06 = 3,183,638.78 : x
  2. Step 2: Convert to fraction form
    5,761,976.40/7,951,511.06 = 3,183,638.78/x
  3. Step 3: Cross multiply
    5,761,976.40x = 7,951,511.06 × 3,183,638.78
  4. Step 4: Simplify right side
    5,761,976.40x = 25,314,738,970,214.90
  5. Step 5: Solve for x
    x = 25,314,738,970,214.90/5,761,976.40
  6. Step 6: Final answer
    x = 4,393,412.47

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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.