Home / 5,162,433.76-7,124,332.60-2,839,505.94

Finding the Fourth Proportional to 5,162,433.76, 7,124,332.60 and 2,839,505.94

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Solution

The fourth proportional to 5,162,433.76, 7,124,332.60 and 2,839,505.94 is: 3,918,613.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,162,433.76 : 7,124,332.60 = 2,839,505.94 : x
  2. Step 2: Convert to fraction form
    5,162,433.76/7,124,332.60 = 2,839,505.94/x
  3. Step 3: Cross multiply
    5,162,433.76x = 7,124,332.60 × 2,839,505.94
  4. Step 4: Simplify right side
    5,162,433.76x = 20,229,584,729,136.88
  5. Step 5: Solve for x
    x = 20,229,584,729,136.88/5,162,433.76
  6. Step 6: Final answer
    x = 3,918,613.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.