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Finding the Fourth Proportional to 6,410,868.07, 9,616,311 and 1,861,929.94

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Solution

The fourth proportional to 6,410,868.07, 9,616,311 and 1,861,929.94 is: 2,792,897.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,410,868.07 : 9,616,311 = 1,861,929.94 : x
  2. Step 2: Convert to fraction form
    6,410,868.07/9,616,311 = 1,861,929.94/x
  3. Step 3: Cross multiply
    6,410,868.07x = 9,616,311 × 1,861,929.94
  4. Step 4: Simplify right side
    6,410,868.07x = 17,904,897,363,251.34
  5. Step 5: Solve for x
    x = 17,904,897,363,251.34/6,410,868.07
  6. Step 6: Final answer
    x = 2,792,897.49

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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.