Home / 3,976,143.96-5,490,314.56-3,241,213.54

Finding the Fourth Proportional to 3,976,143.96, 5,490,314.56 and 3,241,213.54

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Solution

The fourth proportional to 3,976,143.96, 5,490,314.56 and 3,241,213.54 is: 4,475,512.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,976,143.96 : 5,490,314.56 = 3,241,213.54 : x
  2. Step 2: Convert to fraction form
    3,976,143.96/5,490,314.56 = 3,241,213.54/x
  3. Step 3: Cross multiply
    3,976,143.96x = 5,490,314.56 × 3,241,213.54
  4. Step 4: Simplify right side
    3,976,143.96x = 17,795,281,890,731.14
  5. Step 5: Solve for x
    x = 17,795,281,890,731.14/3,976,143.96
  6. Step 6: Final answer
    x = 4,475,512.47

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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.