Home / 2,994,121.20-4,491,837.90-1,478,530.20

Finding the Fourth Proportional to 2,994,121.20, 4,491,837.90 and 1,478,530.20

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Solution

The fourth proportional to 2,994,121.20, 4,491,837.90 and 1,478,530.20 is: 2,218,119.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,994,121.20 : 4,491,837.90 = 1,478,530.20 : x
  2. Step 2: Convert to fraction form
    2,994,121.20/4,491,837.90 = 1,478,530.20/x
  3. Step 3: Cross multiply
    2,994,121.20x = 4,491,837.90 × 1,478,530.20
  4. Step 4: Simplify right side
    2,994,121.20x = 6,641,317,988,654.58
  5. Step 5: Solve for x
    x = 6,641,317,988,654.58/2,994,121.20
  6. Step 6: Final answer
    x = 2,218,119.29

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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.