Home / 6,180,150.66-8,531,410.77-3,978,191.58

Finding the Fourth Proportional to 6,180,150.66, 8,531,410.77 and 3,978,191.58

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Solution

The fourth proportional to 6,180,150.66, 8,531,410.77 and 3,978,191.58 is: 5,491,708.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,180,150.66 : 8,531,410.77 = 3,978,191.58 : x
  2. Step 2: Convert to fraction form
    6,180,150.66/8,531,410.77 = 3,978,191.58/x
  3. Step 3: Cross multiply
    6,180,150.66x = 8,531,410.77 × 3,978,191.58
  4. Step 4: Simplify right side
    6,180,150.66x = 33,939,586,490,735.32
  5. Step 5: Solve for x
    x = 33,939,586,490,735.32/6,180,150.66
  6. Step 6: Final answer
    x = 5,491,708.59

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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.