Home / 3,608,522.12-4,979,758.80-2,158,217.53

Finding the Fourth Proportional to 3,608,522.12, 4,979,758.80 and 2,158,217.53

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Solution

The fourth proportional to 3,608,522.12, 4,979,758.80 and 2,158,217.53 is: 2,978,339.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,608,522.12 : 4,979,758.80 = 2,158,217.53 : x
  2. Step 2: Convert to fraction form
    3,608,522.12/4,979,758.80 = 2,158,217.53/x
  3. Step 3: Cross multiply
    3,608,522.12x = 4,979,758.80 × 2,158,217.53
  4. Step 4: Simplify right side
    3,608,522.12x = 10,747,402,732,975.68
  5. Step 5: Solve for x
    x = 10,747,402,732,975.68/3,608,522.12
  6. Step 6: Final answer
    x = 2,978,339.16

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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.