Home / 6,691,446.78-10,037,151.72-1,899,140.64

Finding the Fourth Proportional to 6,691,446.78, 10,037,151.72 and 1,899,140.64

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Solution

The fourth proportional to 6,691,446.78, 10,037,151.72 and 1,899,140.64 is: 2,848,705.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,691,446.78 : 10,037,151.72 = 1,899,140.64 : x
  2. Step 2: Convert to fraction form
    6,691,446.78/10,037,151.72 = 1,899,140.64/x
  3. Step 3: Cross multiply
    6,691,446.78x = 10,037,151.72 × 1,899,140.64
  4. Step 4: Simplify right side
    6,691,446.78x = 19,061,962,741,297.90
  5. Step 5: Solve for x
    x = 19,061,962,741,297.90/6,691,446.78
  6. Step 6: Final answer
    x = 2,848,705.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.