Home / 1,981,682.12-2,734,726.58-1,165,916.54

Finding the Fourth Proportional to 1,981,682.12, 2,734,726.58 and 1,165,916.54

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Solution

The fourth proportional to 1,981,682.12, 2,734,726.58 and 1,165,916.54 is: 1,608,967.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,981,682.12 : 2,734,726.58 = 1,165,916.54 : x
  2. Step 2: Convert to fraction form
    1,981,682.12/2,734,726.58 = 1,165,916.54/x
  3. Step 3: Cross multiply
    1,981,682.12x = 2,734,726.58 × 1,165,916.54
  4. Step 4: Simplify right side
    1,981,682.12x = 3,188,462,932,496.42
  5. Step 5: Solve for x
    x = 3,188,462,932,496.42/1,981,682.12
  6. Step 6: Final answer
    x = 1,608,967.91

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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.