Home / 2,522,608.40-3,481,312.79-1,420,418.85

Finding the Fourth Proportional to 2,522,608.40, 3,481,312.79 and 1,420,418.85

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Solution

The fourth proportional to 2,522,608.40, 3,481,312.79 and 1,420,418.85 is: 1,960,241.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,522,608.40 : 3,481,312.79 = 1,420,418.85 : x
  2. Step 2: Convert to fraction form
    2,522,608.40/3,481,312.79 = 1,420,418.85/x
  3. Step 3: Cross multiply
    2,522,608.40x = 3,481,312.79 × 1,420,418.85
  4. Step 4: Simplify right side
    2,522,608.40x = 4,944,922,300,158.22
  5. Step 5: Solve for x
    x = 4,944,922,300,158.22/2,522,608.40
  6. Step 6: Final answer
    x = 1,960,241.75

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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.