Home / 2,135,356.80-3,203,035.20-1,995,388.80

Finding the Fourth Proportional to 2,135,356.80, 3,203,035.20 and 1,995,388.80

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Solution

The fourth proportional to 2,135,356.80, 3,203,035.20 and 1,995,388.80 is: 2,993,083.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,135,356.80 : 3,203,035.20 = 1,995,388.80 : x
  2. Step 2: Convert to fraction form
    2,135,356.80/3,203,035.20 = 1,995,388.80/x
  3. Step 3: Cross multiply
    2,135,356.80x = 3,203,035.20 × 1,995,388.80
  4. Step 4: Simplify right side
    2,135,356.80x = 6,391,300,564,085.76
  5. Step 5: Solve for x
    x = 6,391,300,564,085.76/2,135,356.80
  6. Step 6: Final answer
    x = 2,993,083.20

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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.