Home / 2,239,132.82-3,090,003.52-1,220,537.56

Finding the Fourth Proportional to 2,239,132.82, 3,090,003.52 and 1,220,537.56

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Solution

The fourth proportional to 2,239,132.82, 3,090,003.52 and 1,220,537.56 is: 1,684,341.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,239,132.82 : 3,090,003.52 = 1,220,537.56 : x
  2. Step 2: Convert to fraction form
    2,239,132.82/3,090,003.52 = 1,220,537.56/x
  3. Step 3: Cross multiply
    2,239,132.82x = 3,090,003.52 × 1,220,537.56
  4. Step 4: Simplify right side
    2,239,132.82x = 3,771,465,356,692.21
  5. Step 5: Solve for x
    x = 3,771,465,356,692.21/2,239,132.82
  6. Step 6: Final answer
    x = 1,684,341.96

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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.