Home / 3,210,386.81-4,816,321.36-1,080,418.91

Finding the Fourth Proportional to 3,210,386.81, 4,816,321.36 and 1,080,418.91

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Solution

The fourth proportional to 3,210,386.81, 4,816,321.36 and 1,080,418.91 is: 1,620,877.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,210,386.81 : 4,816,321.36 = 1,080,418.91 : x
  2. Step 2: Convert to fraction form
    3,210,386.81/4,816,321.36 = 1,080,418.91/x
  3. Step 3: Cross multiply
    3,210,386.81x = 4,816,321.36 × 1,080,418.91
  4. Step 4: Simplify right side
    3,210,386.81x = 5,203,644,647,198.26
  5. Step 5: Solve for x
    x = 5,203,644,647,198.26/3,210,386.81
  6. Step 6: Final answer
    x = 1,620,877.78

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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.