Home / 3,865,680.28-5,334,711.06-2,146,961.80

Finding the Fourth Proportional to 3,865,680.28, 5,334,711.06 and 2,146,961.80

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Solution

The fourth proportional to 3,865,680.28, 5,334,711.06 and 2,146,961.80 is: 2,962,847.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,865,680.28 : 5,334,711.06 = 2,146,961.80 : x
  2. Step 2: Convert to fraction form
    3,865,680.28/5,334,711.06 = 2,146,961.80/x
  3. Step 3: Cross multiply
    3,865,680.28x = 5,334,711.06 × 2,146,961.80
  4. Step 4: Simplify right side
    3,865,680.28x = 11,453,420,859,857.51
  5. Step 5: Solve for x
    x = 11,453,420,859,857.51/3,865,680.28
  6. Step 6: Final answer
    x = 2,962,847.42

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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.