Home / 4,756,834.80-7,120,672.20-2,620,378.80

Finding the Fourth Proportional to 4,756,834.80, 7,120,672.20 and 2,620,378.80

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Solution

The fourth proportional to 4,756,834.80, 7,120,672.20 and 2,620,378.80 is: 3,922,536.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,756,834.80 : 7,120,672.20 = 2,620,378.80 : x
  2. Step 2: Convert to fraction form
    4,756,834.80/7,120,672.20 = 2,620,378.80/x
  3. Step 3: Cross multiply
    4,756,834.80x = 7,120,672.20 × 2,620,378.80
  4. Step 4: Simplify right side
    4,756,834.80x = 18,658,858,474,629.36
  5. Step 5: Solve for x
    x = 18,658,858,474,629.36/4,756,834.80
  6. Step 6: Final answer
    x = 3,922,536.57

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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.