Home / 3,976,141.96-5,490,311.79-3,241,211.55

Finding the Fourth Proportional to 3,976,141.96, 5,490,311.79 and 3,241,211.55

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Solution

The fourth proportional to 3,976,141.96, 5,490,311.79 and 3,241,211.55 is: 4,475,509.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,976,141.96 : 5,490,311.79 = 3,241,211.55 : x
  2. Step 2: Convert to fraction form
    3,976,141.96/5,490,311.79 = 3,241,211.55/x
  3. Step 3: Cross multiply
    3,976,141.96x = 5,490,311.79 × 3,241,211.55
  4. Step 4: Simplify right side
    3,976,141.96x = 17,795,261,986,849.17
  5. Step 5: Solve for x
    x = 17,795,261,986,849.17/3,976,141.96
  6. Step 6: Final answer
    x = 4,475,509.72

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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.