Home / 3,608,203.80-4,979,323.24-1,976,670.20

Finding the Fourth Proportional to 3,608,203.80, 4,979,323.24 and 1,976,670.20

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Solution

The fourth proportional to 3,608,203.80, 4,979,323.24 and 1,976,670.20 is: 2,727,805.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,608,203.80 : 4,979,323.24 = 1,976,670.20 : x
  2. Step 2: Convert to fraction form
    3,608,203.80/4,979,323.24 = 1,976,670.20/x
  3. Step 3: Cross multiply
    3,608,203.80x = 4,979,323.24 × 1,976,670.20
  4. Step 4: Simplify right side
    3,608,203.80x = 9,842,479,864,675.45
  5. Step 5: Solve for x
    x = 9,842,479,864,675.45/3,608,203.80
  6. Step 6: Final answer
    x = 2,727,805.97

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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.