Home / 2,987,818.50-4,123,189.54-1,629,691.50

Finding the Fourth Proportional to 2,987,818.50, 4,123,189.54 and 1,629,691.50

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Solution

The fourth proportional to 2,987,818.50, 4,123,189.54 and 1,629,691.50 is: 2,248,974.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,987,818.50 : 4,123,189.54 = 1,629,691.50 : x
  2. Step 2: Convert to fraction form
    2,987,818.50/4,123,189.54 = 1,629,691.50/x
  3. Step 3: Cross multiply
    2,987,818.50x = 4,123,189.54 × 1,629,691.50
  4. Step 4: Simplify right side
    2,987,818.50x = 6,719,526,946,226.91
  5. Step 5: Solve for x
    x = 6,719,526,946,226.91/2,987,818.50
  6. Step 6: Final answer
    x = 2,248,974.28

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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.