Home / 5,661,078.37-7,812,210.39-3,213,668.05

Finding the Fourth Proportional to 5,661,078.37, 7,812,210.39 and 3,213,668.05

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Solution

The fourth proportional to 5,661,078.37, 7,812,210.39 and 3,213,668.05 is: 4,434,817.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,661,078.37 : 7,812,210.39 = 3,213,668.05 : x
  2. Step 2: Convert to fraction form
    5,661,078.37/7,812,210.39 = 3,213,668.05/x
  3. Step 3: Cross multiply
    5,661,078.37x = 7,812,210.39 × 3,213,668.05
  4. Step 4: Simplify right side
    5,661,078.37x = 25,105,850,930,221.04
  5. Step 5: Solve for x
    x = 25,105,850,930,221.04/5,661,078.37
  6. Step 6: Final answer
    x = 4,434,817.77

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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.