Home / 3,809,638.72-5,714,441.92-1,380,222.32

Finding the Fourth Proportional to 3,809,638.72, 5,714,441.92 and 1,380,222.32

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Solution

The fourth proportional to 3,809,638.72, 5,714,441.92 and 1,380,222.32 is: 2,070,327.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,809,638.72 : 5,714,441.92 = 1,380,222.32 : x
  2. Step 2: Convert to fraction form
    3,809,638.72/5,714,441.92 = 1,380,222.32/x
  3. Step 3: Cross multiply
    3,809,638.72x = 5,714,441.92 × 1,380,222.32
  4. Step 4: Simplify right side
    3,809,638.72x = 7,887,200,284,327.65
  5. Step 5: Solve for x
    x = 7,887,200,284,327.65/3,809,638.72
  6. Step 6: Final answer
    x = 2,070,327.63

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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.