Home / 5,247,329.80-7,874,493.90-2,405,979.40

Finding the Fourth Proportional to 5,247,329.80, 7,874,493.90 and 2,405,979.40

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Solution

The fourth proportional to 5,247,329.80, 7,874,493.90 and 2,405,979.40 is: 3,610,573.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,247,329.80 : 7,874,493.90 = 2,405,979.40 : x
  2. Step 2: Convert to fraction form
    5,247,329.80/7,874,493.90 = 2,405,979.40/x
  3. Step 3: Cross multiply
    5,247,329.80x = 7,874,493.90 × 2,405,979.40
  4. Step 4: Simplify right side
    5,247,329.80x = 18,945,870,108,825.66
  5. Step 5: Solve for x
    x = 18,945,870,108,825.66/5,247,329.80
  6. Step 6: Final answer
    x = 3,610,573.54

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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.