Home / 2,163,129.07-3,244,689.52-815,593.97

Finding the Fourth Proportional to 2,163,129.07, 3,244,689.52 and 815,593.97

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Solution

The fourth proportional to 2,163,129.07, 3,244,689.52 and 815,593.97 is: 1,223,389.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,163,129.07 : 3,244,689.52 = 815,593.97 : x
  2. Step 2: Convert to fraction form
    2,163,129.07/3,244,689.52 = 815,593.97/x
  3. Step 3: Cross multiply
    2,163,129.07x = 3,244,689.52 × 815,593.97
  4. Step 4: Simplify right side
    2,163,129.07x = 2,646,349,188,771.76
  5. Step 5: Solve for x
    x = 2,646,349,188,771.76/2,163,129.07
  6. Step 6: Final answer
    x = 1,223,389.41

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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.