Home / 3,613,514.88-4,986,790.12-1,981,991.01

Finding the Fourth Proportional to 3,613,514.88, 4,986,790.12 and 1,981,991.01

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Solution

The fourth proportional to 3,613,514.88, 4,986,790.12 and 1,981,991.01 is: 2,735,224.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,613,514.88 : 4,986,790.12 = 1,981,991.01 : x
  2. Step 2: Convert to fraction form
    3,613,514.88/4,986,790.12 = 1,981,991.01/x
  3. Step 3: Cross multiply
    3,613,514.88x = 4,986,790.12 × 1,981,991.01
  4. Step 4: Simplify right side
    3,613,514.88x = 9,883,773,186,596.82
  5. Step 5: Solve for x
    x = 9,883,773,186,596.82/3,613,514.88
  6. Step 6: Final answer
    x = 2,735,224.16

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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.