Home / 2,690,807.52-3,729,343.38-2,640,419.04

Finding the Fourth Proportional to 2,690,807.52, 3,729,343.38 and 2,640,419.04

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Solution

The fourth proportional to 2,690,807.52, 3,729,343.38 and 2,640,419.04 is: 3,659,507.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,690,807.52 : 3,729,343.38 = 2,640,419.04 : x
  2. Step 2: Convert to fraction form
    2,690,807.52/3,729,343.38 = 2,640,419.04/x
  3. Step 3: Cross multiply
    2,690,807.52x = 3,729,343.38 × 2,640,419.04
  4. Step 4: Simplify right side
    2,690,807.52x = 9,847,029,267,249.96
  5. Step 5: Solve for x
    x = 9,847,029,267,249.96/2,690,807.52
  6. Step 6: Final answer
    x = 3,659,507.12

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1.5x scale

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.