Home / 2,990,180.60-4,485,270.90-2,187,114.20

Finding the Fourth Proportional to 2,990,180.60, 4,485,270.90 and 2,187,114.20

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Solution

The fourth proportional to 2,990,180.60, 4,485,270.90 and 2,187,114.20 is: 3,280,671.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,990,180.60 : 4,485,270.90 = 2,187,114.20 : x
  2. Step 2: Convert to fraction form
    2,990,180.60/4,485,270.90 = 2,187,114.20/x
  3. Step 3: Cross multiply
    2,990,180.60x = 4,485,270.90 × 2,187,114.20
  4. Step 4: Simplify right side
    2,990,180.60x = 9,809,799,676,236.78
  5. Step 5: Solve for x
    x = 9,809,799,676,236.78/2,990,180.60
  6. Step 6: Final answer
    x = 3,280,671.30

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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.