Home / 2,662,986.42-3,675,604.77-1,643,805.54

Finding the Fourth Proportional to 2,662,986.42, 3,675,604.77 and 1,643,805.54

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Solution

The fourth proportional to 2,662,986.42, 3,675,604.77 and 1,643,805.54 is: 2,268,873.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,662,986.42 : 3,675,604.77 = 1,643,805.54 : x
  2. Step 2: Convert to fraction form
    2,662,986.42/3,675,604.77 = 1,643,805.54/x
  3. Step 3: Cross multiply
    2,662,986.42x = 3,675,604.77 × 1,643,805.54
  4. Step 4: Simplify right side
    2,662,986.42x = 6,041,979,483,776.43
  5. Step 5: Solve for x
    x = 6,041,979,483,776.43/2,662,986.42
  6. Step 6: Final answer
    x = 2,268,873.56

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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.