Home / 3,420,247.01-4,718,794.79-1,969,913.39

Finding the Fourth Proportional to 3,420,247.01, 4,718,794.79 and 1,969,913.39

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Solution

The fourth proportional to 3,420,247.01, 4,718,794.79 and 1,969,913.39 is: 2,717,820.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,420,247.01 : 4,718,794.79 = 1,969,913.39 : x
  2. Step 2: Convert to fraction form
    3,420,247.01/4,718,794.79 = 1,969,913.39/x
  3. Step 3: Cross multiply
    3,420,247.01x = 4,718,794.79 × 1,969,913.39
  4. Step 4: Simplify right side
    3,420,247.01x = 9,295,617,022,814.05
  5. Step 5: Solve for x
    x = 9,295,617,022,814.05/3,420,247.01
  6. Step 6: Final answer
    x = 2,717,820.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.