Home / 2,005,068.20-3,007,602.30-1,207,906.70

Finding the Fourth Proportional to 2,005,068.20, 3,007,602.30 and 1,207,906.70

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Solution

The fourth proportional to 2,005,068.20, 3,007,602.30 and 1,207,906.70 is: 1,811,860.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,005,068.20 : 3,007,602.30 = 1,207,906.70 : x
  2. Step 2: Convert to fraction form
    2,005,068.20/3,007,602.30 = 1,207,906.70/x
  3. Step 3: Cross multiply
    2,005,068.20x = 3,007,602.30 × 1,207,906.70
  4. Step 4: Simplify right side
    2,005,068.20x = 3,632,902,969,105.41
  5. Step 5: Solve for x
    x = 3,632,902,969,105.41/2,005,068.20
  6. Step 6: Final answer
    x = 1,811,860.05

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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.