Home / 3,878,729.42-5,818,093.98-1,828,912.86

Finding the Fourth Proportional to 3,878,729.42, 5,818,093.98 and 1,828,912.86

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Solution

The fourth proportional to 3,878,729.42, 5,818,093.98 and 1,828,912.86 is: 2,743,369.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,878,729.42 : 5,818,093.98 = 1,828,912.86 : x
  2. Step 2: Convert to fraction form
    3,878,729.42/5,818,093.98 = 1,828,912.86/x
  3. Step 3: Cross multiply
    3,878,729.42x = 5,818,093.98 × 1,828,912.86
  4. Step 4: Simplify right side
    3,878,729.42x = 10,640,786,900,710.58
  5. Step 5: Solve for x
    x = 10,640,786,900,710.58/3,878,729.42
  6. Step 6: Final answer
    x = 2,743,369.22

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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.