Home / 2,628,280.80-3,942,421.20-633,736.80

Finding the Fourth Proportional to 2,628,280.80, 3,942,421.20 and 633,736.80

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Solution

The fourth proportional to 2,628,280.80, 3,942,421.20 and 633,736.80 is: 950,605.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,628,280.80 : 3,942,421.20 = 633,736.80 : x
  2. Step 2: Convert to fraction form
    2,628,280.80/3,942,421.20 = 633,736.80/x
  3. Step 3: Cross multiply
    2,628,280.80x = 3,942,421.20 × 633,736.80
  4. Step 4: Simplify right side
    2,628,280.80x = 2,498,457,395,540.16
  5. Step 5: Solve for x
    x = 2,498,457,395,540.16/2,628,280.80
  6. Step 6: Final answer
    x = 950,605.20

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Double scale
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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.