Home / 2,149,889.52-3,225,300.81-653,942.64

Finding the Fourth Proportional to 2,149,889.52, 3,225,300.81 and 653,942.64

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Solution

The fourth proportional to 2,149,889.52, 3,225,300.81 and 653,942.64 is: 981,055.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,149,889.52 : 3,225,300.81 = 653,942.64 : x
  2. Step 2: Convert to fraction form
    2,149,889.52/3,225,300.81 = 653,942.64/x
  3. Step 3: Cross multiply
    2,149,889.52x = 3,225,300.81 × 653,942.64
  4. Step 4: Simplify right side
    2,149,889.52x = 2,109,161,726,485.54
  5. Step 5: Solve for x
    x = 2,109,161,726,485.54/2,149,889.52
  6. Step 6: Final answer
    x = 981,055.87

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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.