Home / 3,040,986.80-4,196,569.56-1,682,908.40

Finding the Fourth Proportional to 3,040,986.80, 4,196,569.56 and 1,682,908.40

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Solution

The fourth proportional to 3,040,986.80, 4,196,569.56 and 1,682,908.40 is: 2,322,417.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,040,986.80 : 4,196,569.56 = 1,682,908.40 : x
  2. Step 2: Convert to fraction form
    3,040,986.80/4,196,569.56 = 1,682,908.40/x
  3. Step 3: Cross multiply
    3,040,986.80x = 4,196,569.56 × 1,682,908.40
  4. Step 4: Simplify right side
    3,040,986.80x = 7,062,442,163,708.30
  5. Step 5: Solve for x
    x = 7,062,442,163,708.30/3,040,986.80
  6. Step 6: Final answer
    x = 2,322,417.90

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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.