Home / 2,438,148-3,656,930.80-641,171.48

Finding the Fourth Proportional to 2,438,148, 3,656,930.80 and 641,171.48

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Solution

The fourth proportional to 2,438,148, 3,656,930.80 and 641,171.48 is: 961,680.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,438,148 : 3,656,930.80 = 641,171.48 : x
  2. Step 2: Convert to fraction form
    2,438,148/3,656,930.80 = 641,171.48/x
  3. Step 3: Cross multiply
    2,438,148x = 3,656,930.80 × 641,171.48
  4. Step 4: Simplify right side
    2,438,148x = 2,344,719,733,293.58
  5. Step 5: Solve for x
    x = 2,344,719,733,293.58/2,438,148
  6. Step 6: Final answer
    x = 961,680.64

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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.