Home / 2,318,942.80-3,478,414.20-822,840.40

Finding the Fourth Proportional to 2,318,942.80, 3,478,414.20 and 822,840.40

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Solution

The fourth proportional to 2,318,942.80, 3,478,414.20 and 822,840.40 is: 1,234,260.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,318,942.80 : 3,478,414.20 = 822,840.40 : x
  2. Step 2: Convert to fraction form
    2,318,942.80/3,478,414.20 = 822,840.40/x
  3. Step 3: Cross multiply
    2,318,942.80x = 3,478,414.20 × 822,840.40
  4. Step 4: Simplify right side
    2,318,942.80x = 2,862,179,731,693.68
  5. Step 5: Solve for x
    x = 2,862,179,731,693.68/2,318,942.80
  6. Step 6: Final answer
    x = 1,234,260.60

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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.