Home / 2,229,121.39-3,342,628.17-863,534.72

Finding the Fourth Proportional to 2,229,121.39, 3,342,628.17 and 863,534.72

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Solution

The fourth proportional to 2,229,121.39, 3,342,628.17 and 863,534.72 is: 1,294,893.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,229,121.39 : 3,342,628.17 = 863,534.72 : x
  2. Step 2: Convert to fraction form
    2,229,121.39/3,342,628.17 = 863,534.72/x
  3. Step 3: Cross multiply
    2,229,121.39x = 3,342,628.17 × 863,534.72
  4. Step 4: Simplify right side
    2,229,121.39x = 2,886,475,464,131.92
  5. Step 5: Solve for x
    x = 2,886,475,464,131.92/2,229,121.39
  6. Step 6: Final answer
    x = 1,294,893.80

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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.