Home / 4,921,538.70-7,382,308.05-2,760,345.30

Finding the Fourth Proportional to 4,921,538.70, 7,382,308.05 and 2,760,345.30

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Solution

The fourth proportional to 4,921,538.70, 7,382,308.05 and 2,760,345.30 is: 4,140,517.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,921,538.70 : 7,382,308.05 = 2,760,345.30 : x
  2. Step 2: Convert to fraction form
    4,921,538.70/7,382,308.05 = 2,760,345.30/x
  3. Step 3: Cross multiply
    4,921,538.70x = 7,382,308.05 × 2,760,345.30
  4. Step 4: Simplify right side
    4,921,538.70x = 20,377,719,328,969.66
  5. Step 5: Solve for x
    x = 20,377,719,328,969.66/4,921,538.70
  6. Step 6: Final answer
    x = 4,140,517.95

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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.