Home / 3,081,980.88-4,622,838.48-807,455.12

Finding the Fourth Proportional to 3,081,980.88, 4,622,838.48 and 807,455.12

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Solution

The fourth proportional to 3,081,980.88, 4,622,838.48 and 807,455.12 is: 1,211,147.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,081,980.88 : 4,622,838.48 = 807,455.12 : x
  2. Step 2: Convert to fraction form
    3,081,980.88/4,622,838.48 = 807,455.12/x
  3. Step 3: Cross multiply
    3,081,980.88x = 4,622,838.48 × 807,455.12
  4. Step 4: Simplify right side
    3,081,980.88x = 3,732,734,576,494.83
  5. Step 5: Solve for x
    x = 3,732,734,576,494.83/3,081,980.88
  6. Step 6: Final answer
    x = 1,211,147.87

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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.