Home / 3,608,376.62-4,979,559.32-2,158,071.84

Finding the Fourth Proportional to 3,608,376.62, 4,979,559.32 and 2,158,071.84

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Solution

The fourth proportional to 3,608,376.62, 4,979,559.32 and 2,158,071.84 is: 2,978,138.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,608,376.62 : 4,979,559.32 = 2,158,071.84 : x
  2. Step 2: Convert to fraction form
    3,608,376.62/4,979,559.32 = 2,158,071.84/x
  3. Step 3: Cross multiply
    3,608,376.62x = 4,979,559.32 × 2,158,071.84
  4. Step 4: Simplify right side
    3,608,376.62x = 10,746,246,744,101.55
  5. Step 5: Solve for x
    x = 10,746,246,744,101.55/3,608,376.62
  6. Step 6: Final answer
    x = 2,978,138.89

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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.