Home / 3,911,164.50-5,397,418.80-2,168,956.56

Finding the Fourth Proportional to 3,911,164.50, 5,397,418.80 and 2,168,956.56

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Solution

The fourth proportional to 3,911,164.50, 5,397,418.80 and 2,168,956.56 is: 2,993,166.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,911,164.50 : 5,397,418.80 = 2,168,956.56 : x
  2. Step 2: Convert to fraction form
    3,911,164.50/5,397,418.80 = 2,168,956.56/x
  3. Step 3: Cross multiply
    3,911,164.50x = 5,397,418.80 × 2,168,956.56
  4. Step 4: Simplify right side
    3,911,164.50x = 11,706,766,913,327.33
  5. Step 5: Solve for x
    x = 11,706,766,913,327.33/3,911,164.50
  6. Step 6: Final answer
    x = 2,993,166.59

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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.