Home / 2,629,973.20-3,944,959.80-2,181,200.80

Finding the Fourth Proportional to 2,629,973.20, 3,944,959.80 and 2,181,200.80

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Solution

The fourth proportional to 2,629,973.20, 3,944,959.80 and 2,181,200.80 is: 3,271,801.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,629,973.20 : 3,944,959.80 = 2,181,200.80 : x
  2. Step 2: Convert to fraction form
    2,629,973.20/3,944,959.80 = 2,181,200.80/x
  3. Step 3: Cross multiply
    2,629,973.20x = 3,944,959.80 × 2,181,200.80
  4. Step 4: Simplify right side
    2,629,973.20x = 8,604,749,471,727.84
  5. Step 5: Solve for x
    x = 8,604,749,471,727.84/2,629,973.20
  6. Step 6: Final answer
    x = 3,271,801.20

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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.