Home / 2,164,408.40-2,986,687.08-1,246,393.04

Finding the Fourth Proportional to 2,164,408.40, 2,986,687.08 and 1,246,393.04

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Solution

The fourth proportional to 2,164,408.40, 2,986,687.08 and 1,246,393.04 is: 1,719,909.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,164,408.40 : 2,986,687.08 = 1,246,393.04 : x
  2. Step 2: Convert to fraction form
    2,164,408.40/2,986,687.08 = 1,246,393.04/x
  3. Step 3: Cross multiply
    2,164,408.40x = 2,986,687.08 × 1,246,393.04
  4. Step 4: Simplify right side
    2,164,408.40x = 3,722,585,989,169.92
  5. Step 5: Solve for x
    x = 3,722,585,989,169.92/2,164,408.40
  6. Step 6: Final answer
    x = 1,719,909.23

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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.