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Finding the Fourth Proportional to 3,361,907.03, 4,639,073.95 and 1,891,789.90

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Solution

The fourth proportional to 3,361,907.03, 4,639,073.95 and 1,891,789.90 is: 2,610,468.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,361,907.03 : 4,639,073.95 = 1,891,789.90 : x
  2. Step 2: Convert to fraction form
    3,361,907.03/4,639,073.95 = 1,891,789.90/x
  3. Step 3: Cross multiply
    3,361,907.03x = 4,639,073.95 × 1,891,789.90
  4. Step 4: Simplify right side
    3,361,907.03x = 8,776,153,234,730.16
  5. Step 5: Solve for x
    x = 8,776,153,234,730.16/3,361,907.03
  6. Step 6: Final answer
    x = 2,610,468.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.