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Finding the Fourth Proportional to 3,895,618.40, 5,840,662.80 and 1,498,536.80

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Solution

The fourth proportional to 3,895,618.40, 5,840,662.80 and 1,498,536.80 is: 2,246,741.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,895,618.40 : 5,840,662.80 = 1,498,536.80 : x
  2. Step 2: Convert to fraction form
    3,895,618.40/5,840,662.80 = 1,498,536.80/x
  3. Step 3: Cross multiply
    3,895,618.40x = 5,840,662.80 × 1,498,536.80
  4. Step 4: Simplify right side
    3,895,618.40x = 8,752,448,142,191.04
  5. Step 5: Solve for x
    x = 8,752,448,142,191.04/3,895,618.40
  6. Step 6: Final answer
    x = 2,246,741.66

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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.