Home / 3,485,399.67-4,809,329.78-1,957,211.55

Finding the Fourth Proportional to 3,485,399.67, 4,809,329.78 and 1,957,211.55

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Solution

The fourth proportional to 3,485,399.67, 4,809,329.78 and 1,957,211.55 is: 2,700,658.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,485,399.67 : 4,809,329.78 = 1,957,211.55 : x
  2. Step 2: Convert to fraction form
    3,485,399.67/4,809,329.78 = 1,957,211.55/x
  3. Step 3: Cross multiply
    3,485,399.67x = 4,809,329.78 × 1,957,211.55
  4. Step 4: Simplify right side
    3,485,399.67x = 9,412,875,783,388.90
  5. Step 5: Solve for x
    x = 9,412,875,783,388.90/3,485,399.67
  6. Step 6: Final answer
    x = 2,700,658.94

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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.