Home / 4,656,516.42-6,420,494.72-3,187,132.78

Finding the Fourth Proportional to 4,656,516.42, 6,420,494.72 and 3,187,132.78

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Solution

The fourth proportional to 4,656,516.42, 6,420,494.72 and 3,187,132.78 is: 4,394,480.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,656,516.42 : 6,420,494.72 = 3,187,132.78 : x
  2. Step 2: Convert to fraction form
    4,656,516.42/6,420,494.72 = 3,187,132.78/x
  3. Step 3: Cross multiply
    4,656,516.42x = 6,420,494.72 × 3,187,132.78
  4. Step 4: Simplify right side
    4,656,516.42x = 20,462,969,185,928.92
  5. Step 5: Solve for x
    x = 20,462,969,185,928.92/4,656,516.42
  6. Step 6: Final answer
    x = 4,394,480.20

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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.