Home / 3,621,245.81-5,431,026.02-1,347,840.85

Finding the Fourth Proportional to 3,621,245.81, 5,431,026.02 and 1,347,840.85

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Solution

The fourth proportional to 3,621,245.81, 5,431,026.02 and 1,347,840.85 is: 2,021,447.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,621,245.81 : 5,431,026.02 = 1,347,840.85 : x
  2. Step 2: Convert to fraction form
    3,621,245.81/5,431,026.02 = 1,347,840.85/x
  3. Step 3: Cross multiply
    3,621,245.81x = 5,431,026.02 × 1,347,840.85
  4. Step 4: Simplify right side
    3,621,245.81x = 7,320,158,737,327.30
  5. Step 5: Solve for x
    x = 7,320,158,737,327.30/3,621,245.81
  6. Step 6: Final answer
    x = 2,021,447.63

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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.