Home / 2,778,910.12-4,166,187.60-1,097,272.36

Finding the Fourth Proportional to 2,778,910.12, 4,166,187.60 and 1,097,272.36

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Solution

The fourth proportional to 2,778,910.12, 4,166,187.60 and 1,097,272.36 is: 1,645,048.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,778,910.12 : 4,166,187.60 = 1,097,272.36 : x
  2. Step 2: Convert to fraction form
    2,778,910.12/4,166,187.60 = 1,097,272.36/x
  3. Step 3: Cross multiply
    2,778,910.12x = 4,166,187.60 × 1,097,272.36
  4. Step 4: Simplify right side
    2,778,910.12x = 4,571,442,500,054.74
  5. Step 5: Solve for x
    x = 4,571,442,500,054.74/2,778,910.12
  6. Step 6: Final answer
    x = 1,645,048.71

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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.