Home / 2,160,733.12-2,981,834.60-1,193,839.36

Finding the Fourth Proportional to 2,160,733.12, 2,981,834.60 and 1,193,839.36

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Solution

The fourth proportional to 2,160,733.12, 2,981,834.60 and 1,193,839.36 is: 1,647,510.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,160,733.12 : 2,981,834.60 = 1,193,839.36 : x
  2. Step 2: Convert to fraction form
    2,160,733.12/2,981,834.60 = 1,193,839.36/x
  3. Step 3: Cross multiply
    2,160,733.12x = 2,981,834.60 × 1,193,839.36
  4. Step 4: Simplify right side
    2,160,733.12x = 3,559,831,510,489.86
  5. Step 5: Solve for x
    x = 3,559,831,510,489.86/2,160,733.12
  6. Step 6: Final answer
    x = 1,647,510.97

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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.