Home / 2,628,999.20-3,943,498.80-2,180,226.80

Finding the Fourth Proportional to 2,628,999.20, 3,943,498.80 and 2,180,226.80

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Solution

The fourth proportional to 2,628,999.20, 3,943,498.80 and 2,180,226.80 is: 3,270,340.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,628,999.20 : 3,943,498.80 = 2,180,226.80 : x
  2. Step 2: Convert to fraction form
    2,628,999.20/3,943,498.80 = 2,180,226.80/x
  3. Step 3: Cross multiply
    2,628,999.20x = 3,943,498.80 × 2,180,226.80
  4. Step 4: Simplify right side
    2,628,999.20x = 8,597,721,769,527.84
  5. Step 5: Solve for x
    x = 8,597,721,769,527.84/2,628,999.20
  6. Step 6: Final answer
    x = 3,270,340.20

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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.