Home / 4,215,906.72-6,322,914.06-1,939,244.58

Finding the Fourth Proportional to 4,215,906.72, 6,322,914.06 and 1,939,244.58

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Solution

The fourth proportional to 4,215,906.72, 6,322,914.06 and 1,939,244.58 is: 2,908,431.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,215,906.72 : 6,322,914.06 = 1,939,244.58 : x
  2. Step 2: Convert to fraction form
    4,215,906.72/6,322,914.06 = 1,939,244.58/x
  3. Step 3: Cross multiply
    4,215,906.72x = 6,322,914.06 × 1,939,244.58
  4. Step 4: Simplify right side
    4,215,906.72x = 12,261,676,820,660.79
  5. Step 5: Solve for x
    x = 12,261,676,820,660.79/4,215,906.72
  6. Step 6: Final answer
    x = 2,908,431.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.