Home / 6,466,951.20-9,701,809.20-1,979,680.80

Finding the Fourth Proportional to 6,466,951.20, 9,701,809.20 and 1,979,680.80

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Solution

The fourth proportional to 6,466,951.20, 9,701,809.20 and 1,979,680.80 is: 2,969,944.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,466,951.20 : 9,701,809.20 = 1,979,680.80 : x
  2. Step 2: Convert to fraction form
    6,466,951.20/9,701,809.20 = 1,979,680.80/x
  3. Step 3: Cross multiply
    6,466,951.20x = 9,701,809.20 × 1,979,680.80
  4. Step 4: Simplify right side
    6,466,951.20x = 19,206,485,398,503.36
  5. Step 5: Solve for x
    x = 19,206,485,398,503.36/6,466,951.20
  6. Step 6: Final answer
    x = 2,969,944.38

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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.