Home / 2,202,078.85-3,038,862.48-1,222,165.86

Finding the Fourth Proportional to 2,202,078.85, 3,038,862.48 and 1,222,165.86

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Solution

The fourth proportional to 2,202,078.85, 3,038,862.48 and 1,222,165.86 is: 1,686,585.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,202,078.85 : 3,038,862.48 = 1,222,165.86 : x
  2. Step 2: Convert to fraction form
    2,202,078.85/3,038,862.48 = 1,222,165.86/x
  3. Step 3: Cross multiply
    2,202,078.85x = 3,038,862.48 × 1,222,165.86
  4. Step 4: Simplify right side
    2,202,078.85x = 3,713,993,976,290.93
  5. Step 5: Solve for x
    x = 3,713,993,976,290.93/2,202,078.85
  6. Step 6: Final answer
    x = 1,686,585.37

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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.