Home / 1,989,345.43-2,981,893.51-1,134,576.81

Finding the Fourth Proportional to 1,989,345.43, 2,981,893.51 and 1,134,576.81

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Solution

The fourth proportional to 1,989,345.43, 2,981,893.51 and 1,134,576.81 is: 1,700,653.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,989,345.43 : 2,981,893.51 = 1,134,576.81 : x
  2. Step 2: Convert to fraction form
    1,989,345.43/2,981,893.51 = 1,134,576.81/x
  3. Step 3: Cross multiply
    1,989,345.43x = 2,981,893.51 × 1,134,576.81
  4. Step 4: Simplify right side
    1,989,345.43x = 3,383,187,244,025.45
  5. Step 5: Solve for x
    x = 3,383,187,244,025.45/1,989,345.43
  6. Step 6: Final answer
    x = 1,700,653.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.