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Finding the Fourth Proportional to 4,894,894.83, 7,339,821.12 and 2,196,907.14

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Solution

The fourth proportional to 4,894,894.83, 7,339,821.12 and 2,196,907.14 is: 3,294,229.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,894,894.83 : 7,339,821.12 = 2,196,907.14 : x
  2. Step 2: Convert to fraction form
    4,894,894.83/7,339,821.12 = 2,196,907.14/x
  3. Step 3: Cross multiply
    4,894,894.83x = 7,339,821.12 × 2,196,907.14
  4. Step 4: Simplify right side
    4,894,894.83x = 16,124,905,413,866.26
  5. Step 5: Solve for x
    x = 16,124,905,413,866.26/4,894,894.83
  6. Step 6: Final answer
    x = 3,294,229.19

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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.