Home / 3,981,100.40-5,493,913.80-2,170,264.40

Finding the Fourth Proportional to 3,981,100.40, 5,493,913.80 and 2,170,264.40

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Solution

The fourth proportional to 3,981,100.40, 5,493,913.80 and 2,170,264.40 is: 2,994,962.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,981,100.40 : 5,493,913.80 = 2,170,264.40 : x
  2. Step 2: Convert to fraction form
    3,981,100.40/5,493,913.80 = 2,170,264.40/x
  3. Step 3: Cross multiply
    3,981,100.40x = 5,493,913.80 × 2,170,264.40
  4. Step 4: Simplify right side
    3,981,100.40x = 11,923,245,536,808.72
  5. Step 5: Solve for x
    x = 11,923,245,536,808.72/3,981,100.40
  6. Step 6: Final answer
    x = 2,994,962.28

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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.