Home / 2,981,291.78-4,116,740.22-2,884,885.08

Finding the Fourth Proportional to 2,981,291.78, 4,116,740.22 and 2,884,885.08

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Solution

The fourth proportional to 2,981,291.78, 4,116,740.22 and 2,884,885.08 is: 3,983,616.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,981,291.78 : 4,116,740.22 = 2,884,885.08 : x
  2. Step 2: Convert to fraction form
    2,981,291.78/4,116,740.22 = 2,884,885.08/x
  3. Step 3: Cross multiply
    2,981,291.78x = 4,116,740.22 × 2,884,885.08
  4. Step 4: Simplify right side
    2,981,291.78x = 11,876,322,438,913.92
  5. Step 5: Solve for x
    x = 11,876,322,438,913.92/2,981,291.78
  6. Step 6: Final answer
    x = 3,983,616.27

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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.