Home / 6,420,887.52-9,632,813.57-2,160,951.72

Finding the Fourth Proportional to 6,420,887.52, 9,632,813.57 and 2,160,951.72

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Solution

The fourth proportional to 6,420,887.52, 9,632,813.57 and 2,160,951.72 is: 3,241,926.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,420,887.52 : 9,632,813.57 = 2,160,951.72 : x
  2. Step 2: Convert to fraction form
    6,420,887.52/9,632,813.57 = 2,160,951.72/x
  3. Step 3: Cross multiply
    6,420,887.52x = 9,632,813.57 × 2,160,951.72
  4. Step 4: Simplify right side
    6,420,887.52x = 20,816,045,025,861.95
  5. Step 5: Solve for x
    x = 20,816,045,025,861.95/6,420,887.52
  6. Step 6: Final answer
    x = 3,241,926.44

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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.