Home / 2,148,939.42-3,222,299.84-632,425.43

Finding the Fourth Proportional to 2,148,939.42, 3,222,299.84 and 632,425.43

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Solution

The fourth proportional to 2,148,939.42, 3,222,299.84 and 632,425.43 is: 948,311.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,148,939.42 : 3,222,299.84 = 632,425.43 : x
  2. Step 2: Convert to fraction form
    2,148,939.42/3,222,299.84 = 632,425.43/x
  3. Step 3: Cross multiply
    2,148,939.42x = 3,222,299.84 × 632,425.43
  4. Step 4: Simplify right side
    2,148,939.42x = 2,037,864,342,627.31
  5. Step 5: Solve for x
    x = 2,037,864,342,627.31/2,148,939.42
  6. Step 6: Final answer
    x = 948,311.68

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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.