Home / 2,156,619-2,976,134.28-1,202,763

Finding the Fourth Proportional to 2,156,619, 2,976,134.28 and 1,202,763

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Solution

The fourth proportional to 2,156,619, 2,976,134.28 and 1,202,763 is: 1,659,812.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,156,619 : 2,976,134.28 = 1,202,763 : x
  2. Step 2: Convert to fraction form
    2,156,619/2,976,134.28 = 1,202,763/x
  3. Step 3: Cross multiply
    2,156,619x = 2,976,134.28 × 1,202,763
  4. Step 4: Simplify right side
    2,156,619x = 3,579,584,195,015.64
  5. Step 5: Solve for x
    x = 3,579,584,195,015.64/2,156,619
  6. Step 6: Final answer
    x = 1,659,812.97

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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.