Home / 3,910,556.80-5,866,272.60-1,214,860.60

Finding the Fourth Proportional to 3,910,556.80, 5,866,272.60 and 1,214,860.60

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Solution

The fourth proportional to 3,910,556.80, 5,866,272.60 and 1,214,860.60 is: 1,822,426.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,910,556.80 : 5,866,272.60 = 1,214,860.60 : x
  2. Step 2: Convert to fraction form
    3,910,556.80/5,866,272.60 = 1,214,860.60/x
  3. Step 3: Cross multiply
    3,910,556.80x = 5,866,272.60 × 1,214,860.60
  4. Step 4: Simplify right side
    3,910,556.80x = 7,126,703,450,599.56
  5. Step 5: Solve for x
    x = 7,126,703,450,599.56/3,910,556.80
  6. Step 6: Final answer
    x = 1,822,426.78

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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.