Home / 2,992,890.80-4,489,336.20-749,025.20

Finding the Fourth Proportional to 2,992,890.80, 4,489,336.20 and 749,025.20

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Solution

The fourth proportional to 2,992,890.80, 4,489,336.20 and 749,025.20 is: 1,123,537.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,992,890.80 : 4,489,336.20 = 749,025.20 : x
  2. Step 2: Convert to fraction form
    2,992,890.80/4,489,336.20 = 749,025.20/x
  3. Step 3: Cross multiply
    2,992,890.80x = 4,489,336.20 × 749,025.20
  4. Step 4: Simplify right side
    2,992,890.80x = 3,362,625,945,072.24
  5. Step 5: Solve for x
    x = 3,362,625,945,072.24/2,992,890.80
  6. Step 6: Final answer
    x = 1,123,537.80

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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.