Home / 2,778,328.84-4,167,654.72-1,072,481.80

Finding the Fourth Proportional to 2,778,328.84, 4,167,654.72 and 1,072,481.80

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Solution

The fourth proportional to 2,778,328.84, 4,167,654.72 and 1,072,481.80 is: 1,608,785.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,778,328.84 : 4,167,654.72 = 1,072,481.80 : x
  2. Step 2: Convert to fraction form
    2,778,328.84/4,167,654.72 = 1,072,481.80/x
  3. Step 3: Cross multiply
    2,778,328.84x = 4,167,654.72 × 1,072,481.80
  4. Step 4: Simplify right side
    2,778,328.84x = 4,469,733,835,884.10
  5. Step 5: Solve for x
    x = 4,469,733,835,884.10/2,778,328.84
  6. Step 6: Final answer
    x = 1,608,785.03

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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.