Home / 3,447,891.68-4,758,090.49-1,998,427.86

Finding the Fourth Proportional to 3,447,891.68, 4,758,090.49 and 1,998,427.86

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Solution

The fourth proportional to 3,447,891.68, 4,758,090.49 and 1,998,427.86 is: 2,757,830.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,447,891.68 : 4,758,090.49 = 1,998,427.86 : x
  2. Step 2: Convert to fraction form
    3,447,891.68/4,758,090.49 = 1,998,427.86/x
  3. Step 3: Cross multiply
    3,447,891.68x = 4,758,090.49 × 1,998,427.86
  4. Step 4: Simplify right side
    3,447,891.68x = 9,508,700,598,115.09
  5. Step 5: Solve for x
    x = 9,508,700,598,115.09/3,447,891.68
  6. Step 6: Final answer
    x = 2,757,830.44

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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.