Home / 3,191,930.66-4,404,841.62-1,815,274.82

Finding the Fourth Proportional to 3,191,930.66, 4,404,841.62 and 1,815,274.82

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Solution

The fourth proportional to 3,191,930.66, 4,404,841.62 and 1,815,274.82 is: 2,505,066.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,191,930.66 : 4,404,841.62 = 1,815,274.82 : x
  2. Step 2: Convert to fraction form
    3,191,930.66/4,404,841.62 = 1,815,274.82/x
  3. Step 3: Cross multiply
    3,191,930.66x = 4,404,841.62 × 1,815,274.82
  4. Step 4: Simplify right side
    3,191,930.66x = 7,995,998,078,874.01
  5. Step 5: Solve for x
    x = 7,995,998,078,874.01/3,191,930.66
  6. Step 6: Final answer
    x = 2,505,066.35

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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.