Home / 3,349,108.80-4,621,891.68-1,918,601.28

Finding the Fourth Proportional to 3,349,108.80, 4,621,891.68 and 1,918,601.28

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Solution

The fourth proportional to 3,349,108.80, 4,621,891.68 and 1,918,601.28 is: 2,647,739.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,349,108.80 : 4,621,891.68 = 1,918,601.28 : x
  2. Step 2: Convert to fraction form
    3,349,108.80/4,621,891.68 = 1,918,601.28/x
  3. Step 3: Cross multiply
    3,349,108.80x = 4,621,891.68 × 1,918,601.28
  4. Step 4: Simplify right side
    3,349,108.80x = 8,867,567,293,269.35
  5. Step 5: Solve for x
    x = 8,867,567,293,269.35/3,349,108.80
  6. Step 6: Final answer
    x = 2,647,739.39

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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.