Home / 2,160,230.72-2,981,108.81-1,193,361.46

Finding the Fourth Proportional to 2,160,230.72, 2,981,108.81 and 1,193,361.46

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Solution

The fourth proportional to 2,160,230.72, 2,981,108.81 and 1,193,361.46 is: 1,646,833.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,160,230.72 : 2,981,108.81 = 1,193,361.46 : x
  2. Step 2: Convert to fraction form
    2,160,230.72/2,981,108.81 = 1,193,361.46/x
  3. Step 3: Cross multiply
    2,160,230.72x = 2,981,108.81 × 1,193,361.46
  4. Step 4: Simplify right side
    2,160,230.72x = 3,557,540,357,451.09
  5. Step 5: Solve for x
    x = 3,557,540,357,451.09/2,160,230.72
  6. Step 6: Final answer
    x = 1,646,833.52

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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.