Home / 6,709,976.20-10,064,964.30-1,661,286.70

Finding the Fourth Proportional to 6,709,976.20, 10,064,964.30 and 1,661,286.70

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Solution

The fourth proportional to 6,709,976.20, 10,064,964.30 and 1,661,286.70 is: 2,491,930.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,709,976.20 : 10,064,964.30 = 1,661,286.70 : x
  2. Step 2: Convert to fraction form
    6,709,976.20/10,064,964.30 = 1,661,286.70/x
  3. Step 3: Cross multiply
    6,709,976.20x = 10,064,964.30 × 1,661,286.70
  4. Step 4: Simplify right side
    6,709,976.20x = 16,720,791,327,564.81
  5. Step 5: Solve for x
    x = 16,720,791,327,564.81/6,709,976.20
  6. Step 6: Final answer
    x = 2,491,930.05

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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.