Home / 2,161,879.20-3,242,952.53-722,692.11

Finding the Fourth Proportional to 2,161,879.20, 3,242,952.53 and 722,692.11

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Solution

The fourth proportional to 2,161,879.20, 3,242,952.53 and 722,692.11 is: 1,084,082.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,161,879.20 : 3,242,952.53 = 722,692.11 : x
  2. Step 2: Convert to fraction form
    2,161,879.20/3,242,952.53 = 722,692.11/x
  3. Step 3: Cross multiply
    2,161,879.20x = 3,242,952.53 × 722,692.11
  4. Step 4: Simplify right side
    2,161,879.20x = 2,343,656,208,342.27
  5. Step 5: Solve for x
    x = 2,343,656,208,342.27/2,161,879.20
  6. Step 6: Final answer
    x = 1,084,082.87

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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.