Home / 3,608,375.62-4,979,557.93-2,158,070.83

Finding the Fourth Proportional to 3,608,375.62, 4,979,557.93 and 2,158,070.83

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Solution

The fourth proportional to 3,608,375.62, 4,979,557.93 and 2,158,070.83 is: 2,978,137.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,608,375.62 : 4,979,557.93 = 2,158,070.83 : x
  2. Step 2: Convert to fraction form
    3,608,375.62/4,979,557.93 = 2,158,070.83/x
  3. Step 3: Cross multiply
    3,608,375.62x = 4,979,557.93 × 2,158,070.83
  4. Step 4: Simplify right side
    3,608,375.62x = 10,746,238,715,028.18
  5. Step 5: Solve for x
    x = 10,746,238,715,028.18/3,608,375.62
  6. Step 6: Final answer
    x = 2,978,137.49

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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.