Home / 1,660,074.12-2,286,078.40-1,442,183.31

Finding the Fourth Proportional to 1,660,074.12, 2,286,078.40 and 1,442,183.31

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Solution

The fourth proportional to 1,660,074.12, 2,286,078.40 and 1,442,183.31 is: 1,986,022.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,660,074.12 : 2,286,078.40 = 1,442,183.31 : x
  2. Step 2: Convert to fraction form
    1,660,074.12/2,286,078.40 = 1,442,183.31/x
  3. Step 3: Cross multiply
    1,660,074.12x = 2,286,078.40 × 1,442,183.31
  4. Step 4: Simplify right side
    1,660,074.12x = 3,296,944,113,831.50
  5. Step 5: Solve for x
    x = 3,296,944,113,831.50/1,660,074.12
  6. Step 6: Final answer
    x = 1,986,022.23

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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.