Home / 2,138,514.36-3,209,018.13-791,613.96

Finding the Fourth Proportional to 2,138,514.36, 3,209,018.13 and 791,613.96

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Solution

The fourth proportional to 2,138,514.36, 3,209,018.13 and 791,613.96 is: 1,187,882.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,138,514.36 : 3,209,018.13 = 791,613.96 : x
  2. Step 2: Convert to fraction form
    2,138,514.36/3,209,018.13 = 791,613.96/x
  3. Step 3: Cross multiply
    2,138,514.36x = 3,209,018.13 × 791,613.96
  4. Step 4: Simplify right side
    2,138,514.36x = 2,540,303,549,601.09
  5. Step 5: Solve for x
    x = 2,540,303,549,601.09/2,138,514.36
  6. Step 6: Final answer
    x = 1,187,882.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.