Home / 3,865,679.28-5,334,709.68-2,146,960.80

Finding the Fourth Proportional to 3,865,679.28, 5,334,709.68 and 2,146,960.80

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Solution

The fourth proportional to 3,865,679.28, 5,334,709.68 and 2,146,960.80 is: 2,962,846.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,865,679.28 : 5,334,709.68 = 2,146,960.80 : x
  2. Step 2: Convert to fraction form
    3,865,679.28/5,334,709.68 = 2,146,960.80/x
  3. Step 3: Cross multiply
    3,865,679.28x = 5,334,709.68 × 2,146,960.80
  4. Step 4: Simplify right side
    3,865,679.28x = 11,453,412,562,340.54
  5. Step 5: Solve for x
    x = 11,453,412,562,340.54/3,865,679.28
  6. Step 6: Final answer
    x = 2,962,846.04

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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.