Home / 6,936,620.80-10,405,928.16-2,144,683.68

Finding the Fourth Proportional to 6,936,620.80, 10,405,928.16 and 2,144,683.68

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Solution

The fourth proportional to 6,936,620.80, 10,405,928.16 and 2,144,683.68 is: 3,217,333.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,936,620.80 : 10,405,928.16 = 2,144,683.68 : x
  2. Step 2: Convert to fraction form
    6,936,620.80/10,405,928.16 = 2,144,683.68/x
  3. Step 3: Cross multiply
    6,936,620.80x = 10,405,928.16 × 2,144,683.68
  4. Step 4: Simplify right side
    6,936,620.80x = 22,317,424,300,004.43
  5. Step 5: Solve for x
    x = 22,317,424,300,004.43/6,936,620.80
  6. Step 6: Final answer
    x = 3,217,333.76

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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.