Home / 3,971,440.28-5,480,611.44-2,160,617.24

Finding the Fourth Proportional to 3,971,440.28, 5,480,611.44 and 2,160,617.24

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Solution

The fourth proportional to 3,971,440.28, 5,480,611.44 and 2,160,617.24 is: 2,981,664.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,971,440.28 : 5,480,611.44 = 2,160,617.24 : x
  2. Step 2: Convert to fraction form
    3,971,440.28/5,480,611.44 = 2,160,617.24/x
  3. Step 3: Cross multiply
    3,971,440.28x = 5,480,611.44 × 2,160,617.24
  4. Step 4: Simplify right side
    3,971,440.28x = 11,841,503,563,005.23
  5. Step 5: Solve for x
    x = 11,841,503,563,005.23/3,971,440.28
  6. Step 6: Final answer
    x = 2,981,664.77

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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.