Home / 3,918,023.08-5,406,575.22-2,198,811.45

Finding the Fourth Proportional to 3,918,023.08, 5,406,575.22 and 2,198,811.45

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Solution

The fourth proportional to 3,918,023.08, 5,406,575.22 and 2,198,811.45 is: 3,034,193.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,918,023.08 : 5,406,575.22 = 2,198,811.45 : x
  2. Step 2: Convert to fraction form
    3,918,023.08/5,406,575.22 = 2,198,811.45/x
  3. Step 3: Cross multiply
    3,918,023.08x = 5,406,575.22 × 2,198,811.45
  4. Step 4: Simplify right side
    3,918,023.08x = 11,888,039,499,022.27
  5. Step 5: Solve for x
    x = 11,888,039,499,022.27/3,918,023.08
  6. Step 6: Final answer
    x = 3,034,193.33

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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.