Home / 3,191,213.23-4,403,271.96-1,902,173.56

Finding the Fourth Proportional to 3,191,213.23, 4,403,271.96 and 1,902,173.56

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Solution

The fourth proportional to 3,191,213.23, 4,403,271.96 and 1,902,173.56 is: 2,624,640.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,191,213.23 : 4,403,271.96 = 1,902,173.56 : x
  2. Step 2: Convert to fraction form
    3,191,213.23/4,403,271.96 = 1,902,173.56/x
  3. Step 3: Cross multiply
    3,191,213.23x = 4,403,271.96 × 1,902,173.56
  4. Step 4: Simplify right side
    3,191,213.23x = 8,375,787,485,078.23
  5. Step 5: Solve for x
    x = 8,375,787,485,078.23/3,191,213.23
  6. Step 6: Final answer
    x = 2,624,640.50

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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.