Home / 2,178,220.80-3,267,331.20-2,080,243.20

Finding the Fourth Proportional to 2,178,220.80, 3,267,331.20 and 2,080,243.20

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Solution

The fourth proportional to 2,178,220.80, 3,267,331.20 and 2,080,243.20 is: 3,120,364.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,178,220.80 : 3,267,331.20 = 2,080,243.20 : x
  2. Step 2: Convert to fraction form
    2,178,220.80/3,267,331.20 = 2,080,243.20/x
  3. Step 3: Cross multiply
    2,178,220.80x = 3,267,331.20 × 2,080,243.20
  4. Step 4: Simplify right side
    2,178,220.80x = 6,796,843,510,947.84
  5. Step 5: Solve for x
    x = 6,796,843,510,947.84/2,178,220.80
  6. Step 6: Final answer
    x = 3,120,364.80

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Similar ratio
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1.5x scale

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.