Home / 3,608,522.87-4,979,759.84-2,158,218.28

Finding the Fourth Proportional to 3,608,522.87, 4,979,759.84 and 2,158,218.28

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Solution

The fourth proportional to 3,608,522.87, 4,979,759.84 and 2,158,218.28 is: 2,978,340.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,608,522.87 : 4,979,759.84 = 2,158,218.28 : x
  2. Step 2: Convert to fraction form
    3,608,522.87/4,979,759.84 = 2,158,218.28/x
  3. Step 3: Cross multiply
    3,608,522.87x = 4,979,759.84 × 2,158,218.28
  4. Step 4: Simplify right side
    3,608,522.87x = 10,747,408,693,457.38
  5. Step 5: Solve for x
    x = 10,747,408,693,457.38/3,608,522.87
  6. Step 6: Final answer
    x = 2,978,340.19

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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.