Home / 3,139,993.20-4,333,270.20-1,763,446.80

Finding the Fourth Proportional to 3,139,993.20, 4,333,270.20 and 1,763,446.80

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Solution

The fourth proportional to 3,139,993.20, 4,333,270.20 and 1,763,446.80 is: 2,433,601.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,139,993.20 : 4,333,270.20 = 1,763,446.80 : x
  2. Step 2: Convert to fraction form
    3,139,993.20/4,333,270.20 = 1,763,446.80/x
  3. Step 3: Cross multiply
    3,139,993.20x = 4,333,270.20 × 1,763,446.80
  4. Step 4: Simplify right side
    3,139,993.20x = 7,641,491,467,725.36
  5. Step 5: Solve for x
    x = 7,641,491,467,725.36/3,139,993.20
  6. Step 6: Final answer
    x = 2,433,601.28

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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.