Home / 3,780,343.68-5,217,868.80-2,149,706.88

Finding the Fourth Proportional to 3,780,343.68, 5,217,868.80 and 2,149,706.88

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Solution

The fourth proportional to 3,780,343.68, 5,217,868.80 and 2,149,706.88 is: 2,967,161.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,780,343.68 : 5,217,868.80 = 2,149,706.88 : x
  2. Step 2: Convert to fraction form
    3,780,343.68/5,217,868.80 = 2,149,706.88/x
  3. Step 3: Cross multiply
    3,780,343.68x = 5,217,868.80 × 2,149,706.88
  4. Step 4: Simplify right side
    3,780,343.68x = 11,216,888,458,297.34
  5. Step 5: Solve for x
    x = 11,216,888,458,297.34/3,780,343.68
  6. Step 6: Final answer
    x = 2,967,161.03

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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.