Home / 3,621,971.52-4,997,230.68-2,171,137.58

Finding the Fourth Proportional to 3,621,971.52, 4,997,230.68 and 2,171,137.58

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Solution

The fourth proportional to 3,621,971.52, 4,997,230.68 and 2,171,137.58 is: 2,995,516.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,621,971.52 : 4,997,230.68 = 2,171,137.58 : x
  2. Step 2: Convert to fraction form
    3,621,971.52/4,997,230.68 = 2,171,137.58/x
  3. Step 3: Cross multiply
    3,621,971.52x = 4,997,230.68 × 2,171,137.58
  4. Step 4: Simplify right side
    3,621,971.52x = 10,849,675,325,276.96
  5. Step 5: Solve for x
    x = 10,849,675,325,276.96/3,621,971.52
  6. Step 6: Final answer
    x = 2,995,516.47

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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.