Home / 6,439,364.60-9,665,267.70-3,919,940.60

Finding the Fourth Proportional to 6,439,364.60, 9,665,267.70 and 3,919,940.60

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Solution

The fourth proportional to 6,439,364.60, 9,665,267.70 and 3,919,940.60 is: 5,883,697.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,439,364.60 : 9,665,267.70 = 3,919,940.60 : x
  2. Step 2: Convert to fraction form
    6,439,364.60/9,665,267.70 = 3,919,940.60/x
  3. Step 3: Cross multiply
    6,439,364.60x = 9,665,267.70 × 3,919,940.60
  4. Step 4: Simplify right side
    6,439,364.60x = 37,887,275,267,098.62
  5. Step 5: Solve for x
    x = 37,887,275,267,098.62/6,439,364.60
  6. Step 6: Final answer
    x = 5,883,697.79

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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.