Home / 5,431,157.60-8,151,985.20-3,305,393.60

Finding the Fourth Proportional to 5,431,157.60, 8,151,985.20 and 3,305,393.60

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Solution

The fourth proportional to 5,431,157.60, 8,151,985.20 and 3,305,393.60 is: 4,961,284.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,431,157.60 : 8,151,985.20 = 3,305,393.60 : x
  2. Step 2: Convert to fraction form
    5,431,157.60/8,151,985.20 = 3,305,393.60/x
  3. Step 3: Cross multiply
    5,431,157.60x = 8,151,985.20 × 3,305,393.60
  4. Step 4: Simplify right side
    5,431,157.60x = 26,945,519,707,374.72
  5. Step 5: Solve for x
    x = 26,945,519,707,374.72/5,431,157.60
  6. Step 6: Final answer
    x = 4,961,284.81

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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.