Home / 2,690,811.52-3,729,348.91-2,640,423.04

Finding the Fourth Proportional to 2,690,811.52, 3,729,348.91 and 2,640,423.04

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Solution

The fourth proportional to 2,690,811.52, 3,729,348.91 and 2,640,423.04 is: 3,659,512.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,690,811.52 : 3,729,348.91 = 2,640,423.04 : x
  2. Step 2: Convert to fraction form
    2,690,811.52/3,729,348.91 = 2,640,423.04/x
  3. Step 3: Cross multiply
    2,690,811.52x = 3,729,348.91 × 2,640,423.04
  4. Step 4: Simplify right side
    2,690,811.52x = 9,847,058,786,162.89
  5. Step 5: Solve for x
    x = 9,847,058,786,162.89/2,690,811.52
  6. Step 6: Final answer
    x = 3,659,512.65

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.