Home / 2,108,921.43-3,163,469.63-613,013.43

Finding the Fourth Proportional to 2,108,921.43, 3,163,469.63 and 613,013.43

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Solution

The fourth proportional to 2,108,921.43, 3,163,469.63 and 613,013.43 is: 919,545.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,108,921.43 : 3,163,469.63 = 613,013.43 : x
  2. Step 2: Convert to fraction form
    2,108,921.43/3,163,469.63 = 613,013.43/x
  3. Step 3: Cross multiply
    2,108,921.43x = 3,163,469.63 × 613,013.43
  4. Step 4: Simplify right side
    2,108,921.43x = 1,939,249,365,522.06
  5. Step 5: Solve for x
    x = 1,939,249,365,522.06/2,108,921.43
  6. Step 6: Final answer
    x = 919,545.57

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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.