Home / 2,531,576.81-3,493,608.82-1,385,632.55

Finding the Fourth Proportional to 2,531,576.81, 3,493,608.82 and 1,385,632.55

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Solution

The fourth proportional to 2,531,576.81, 3,493,608.82 and 1,385,632.55 is: 1,912,190.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,531,576.81 : 3,493,608.82 = 1,385,632.55 : x
  2. Step 2: Convert to fraction form
    2,531,576.81/3,493,608.82 = 1,385,632.55/x
  3. Step 3: Cross multiply
    2,531,576.81x = 3,493,608.82 × 1,385,632.55
  4. Step 4: Simplify right side
    2,531,576.81x = 4,840,858,103,229.03
  5. Step 5: Solve for x
    x = 4,840,858,103,229.03/2,531,576.81
  6. Step 6: Final answer
    x = 1,912,190.88

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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.