Home / 6,451,330.55-9,676,983.78-1,905,571.44

Finding the Fourth Proportional to 6,451,330.55, 9,676,983.78 and 1,905,571.44

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Solution

The fourth proportional to 6,451,330.55, 9,676,983.78 and 1,905,571.44 is: 2,858,353.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,451,330.55 : 9,676,983.78 = 1,905,571.44 : x
  2. Step 2: Convert to fraction form
    6,451,330.55/9,676,983.78 = 1,905,571.44/x
  3. Step 3: Cross multiply
    6,451,330.55x = 9,676,983.78 × 1,905,571.44
  4. Step 4: Simplify right side
    6,451,330.55x = 18,440,183,916,511.24
  5. Step 5: Solve for x
    x = 18,440,183,916,511.24/6,451,330.55
  6. Step 6: Final answer
    x = 2,858,353.60

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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.