Home / 2,079,769.20-3,120,528.60-1,133,818.80

Finding the Fourth Proportional to 2,079,769.20, 3,120,528.60 and 1,133,818.80

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Solution

The fourth proportional to 2,079,769.20, 3,120,528.60 and 1,133,818.80 is: 1,701,205.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,079,769.20 : 3,120,528.60 = 1,133,818.80 : x
  2. Step 2: Convert to fraction form
    2,079,769.20/3,120,528.60 = 1,133,818.80/x
  3. Step 3: Cross multiply
    2,079,769.20x = 3,120,528.60 × 1,133,818.80
  4. Step 4: Simplify right side
    2,079,769.20x = 3,538,113,992,617.68
  5. Step 5: Solve for x
    x = 3,538,113,992,617.68/2,079,769.20
  6. Step 6: Final answer
    x = 1,701,205.11

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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.