Home / 3,122,911.20-4,684,366.80-993,210.60

Finding the Fourth Proportional to 3,122,911.20, 4,684,366.80 and 993,210.60

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Solution

The fourth proportional to 3,122,911.20, 4,684,366.80 and 993,210.60 is: 1,489,815.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,122,911.20 : 4,684,366.80 = 993,210.60 : x
  2. Step 2: Convert to fraction form
    3,122,911.20/4,684,366.80 = 993,210.60/x
  3. Step 3: Cross multiply
    3,122,911.20x = 4,684,366.80 × 993,210.60
  4. Step 4: Simplify right side
    3,122,911.20x = 4,652,562,760,048.08
  5. Step 5: Solve for x
    x = 4,652,562,760,048.08/3,122,911.20
  6. Step 6: Final answer
    x = 1,489,815.90

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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.