Home / 2,175,379.12-3,002,299.98-1,315,945.54

Finding the Fourth Proportional to 2,175,379.12, 3,002,299.98 and 1,315,945.54

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Solution

The fourth proportional to 2,175,379.12, 3,002,299.98 and 1,315,945.54 is: 1,816,172.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,175,379.12 : 3,002,299.98 = 1,315,945.54 : x
  2. Step 2: Convert to fraction form
    2,175,379.12/3,002,299.98 = 1,315,945.54/x
  3. Step 3: Cross multiply
    2,175,379.12x = 3,002,299.98 × 1,315,945.54
  4. Step 4: Simplify right side
    2,175,379.12x = 3,950,863,268,423.09
  5. Step 5: Solve for x
    x = 3,950,863,268,423.09/2,175,379.12
  6. Step 6: Final answer
    x = 1,816,172.29

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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.