Home / 2,279,485.78-3,129,217.90-1,956,635.38

Finding the Fourth Proportional to 2,279,485.78, 3,129,217.90 and 1,956,635.38

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Solution

The fourth proportional to 2,279,485.78, 3,129,217.90 and 1,956,635.38 is: 2,686,017.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,279,485.78 : 3,129,217.90 = 1,956,635.38 : x
  2. Step 2: Convert to fraction form
    2,279,485.78/3,129,217.90 = 1,956,635.38/x
  3. Step 3: Cross multiply
    2,279,485.78x = 3,129,217.90 × 1,956,635.38
  4. Step 4: Simplify right side
    2,279,485.78x = 6,122,738,454,869.30
  5. Step 5: Solve for x
    x = 6,122,738,454,869.30/2,279,485.78
  6. Step 6: Final answer
    x = 2,686,017.39

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.