Home / 6,461,377.20-9,687,400.20-3,622,359.60

Finding the Fourth Proportional to 6,461,377.20, 9,687,400.20 and 3,622,359.60

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Solution

The fourth proportional to 6,461,377.20, 9,687,400.20 and 3,622,359.60 is: 5,430,923.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,461,377.20 : 9,687,400.20 = 3,622,359.60 : x
  2. Step 2: Convert to fraction form
    6,461,377.20/9,687,400.20 = 3,622,359.60/x
  3. Step 3: Cross multiply
    6,461,377.20x = 9,687,400.20 × 3,622,359.60
  4. Step 4: Simplify right side
    6,461,377.20x = 35,091,247,113,511.92
  5. Step 5: Solve for x
    x = 35,091,247,113,511.92/6,461,377.20
  6. Step 6: Final answer
    x = 5,430,923.78

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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.