Home / 2,082,004.80-3,123,007.20-1,242,196.80

Finding the Fourth Proportional to 2,082,004.80, 3,123,007.20 and 1,242,196.80

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Solution

The fourth proportional to 2,082,004.80, 3,123,007.20 and 1,242,196.80 is: 1,863,295.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,082,004.80 : 3,123,007.20 = 1,242,196.80 : x
  2. Step 2: Convert to fraction form
    2,082,004.80/3,123,007.20 = 1,242,196.80/x
  3. Step 3: Cross multiply
    2,082,004.80x = 3,123,007.20 × 1,242,196.80
  4. Step 4: Simplify right side
    2,082,004.80x = 3,879,389,550,216.96
  5. Step 5: Solve for x
    x = 3,879,389,550,216.96/2,082,004.80
  6. Step 6: Final answer
    x = 1,863,295.20

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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.