Home / 3,942,247.88-5,440,309.98-2,131,411.88

Finding the Fourth Proportional to 3,942,247.88, 5,440,309.98 and 2,131,411.88

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Solution

The fourth proportional to 3,942,247.88, 5,440,309.98 and 2,131,411.88 is: 2,941,352.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,942,247.88 : 5,440,309.98 = 2,131,411.88 : x
  2. Step 2: Convert to fraction form
    3,942,247.88/5,440,309.98 = 2,131,411.88/x
  3. Step 3: Cross multiply
    3,942,247.88x = 5,440,309.98 × 2,131,411.88
  4. Step 4: Simplify right side
    3,942,247.88x = 11,595,541,322,254.56
  5. Step 5: Solve for x
    x = 11,595,541,322,254.56/3,942,247.88
  6. Step 6: Final answer
    x = 2,941,352.67

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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.