Home / 2,116,398.43-2,920,668.31-1,198,818.09

Finding the Fourth Proportional to 2,116,398.43, 2,920,668.31 and 1,198,818.09

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Solution

The fourth proportional to 2,116,398.43, 2,920,668.31 and 1,198,818.09 is: 1,654,390.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,116,398.43 : 2,920,668.31 = 1,198,818.09 : x
  2. Step 2: Convert to fraction form
    2,116,398.43/2,920,668.31 = 1,198,818.09/x
  3. Step 3: Cross multiply
    2,116,398.43x = 2,920,668.31 × 1,198,818.09
  4. Step 4: Simplify right side
    2,116,398.43x = 3,501,350,006,416.25
  5. Step 5: Solve for x
    x = 3,501,350,006,416.25/2,116,398.43
  6. Step 6: Final answer
    x = 1,654,390.76

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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.