Home / 4,778,749.20-7,166,991.96-1,366,930.80

Finding the Fourth Proportional to 4,778,749.20, 7,166,991.96 and 1,366,930.80

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Solution

The fourth proportional to 4,778,749.20, 7,166,991.96 and 1,366,930.80 is: 2,050,072.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,778,749.20 : 7,166,991.96 = 1,366,930.80 : x
  2. Step 2: Convert to fraction form
    4,778,749.20/7,166,991.96 = 1,366,930.80/x
  3. Step 3: Cross multiply
    4,778,749.20x = 7,166,991.96 × 1,366,930.80
  4. Step 4: Simplify right side
    4,778,749.20x = 9,796,782,053,476.37
  5. Step 5: Solve for x
    x = 9,796,782,053,476.37/4,778,749.20
  6. Step 6: Final answer
    x = 2,050,072.44

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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.