Home / 5,200,507.85-7,176,661.80-2,908,668.54

Finding the Fourth Proportional to 5,200,507.85, 7,176,661.80 and 2,908,668.54

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Solution

The fourth proportional to 5,200,507.85, 7,176,661.80 and 2,908,668.54 is: 4,013,940.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,200,507.85 : 7,176,661.80 = 2,908,668.54 : x
  2. Step 2: Convert to fraction form
    5,200,507.85/7,176,661.80 = 2,908,668.54/x
  3. Step 3: Cross multiply
    5,200,507.85x = 7,176,661.80 × 2,908,668.54
  4. Step 4: Simplify right side
    5,200,507.85x = 20,874,530,374,903.97
  5. Step 5: Solve for x
    x = 20,874,530,374,903.97/5,200,507.85
  6. Step 6: Final answer
    x = 4,013,940.75

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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.