Home / 3,571,391.69-4,928,556.68-1,939,830.90

Finding the Fourth Proportional to 3,571,391.69, 4,928,556.68 and 1,939,830.90

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Solution

The fourth proportional to 3,571,391.69, 4,928,556.68 and 1,939,830.90 is: 2,676,986.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,571,391.69 : 4,928,556.68 = 1,939,830.90 : x
  2. Step 2: Convert to fraction form
    3,571,391.69/4,928,556.68 = 1,939,830.90/x
  3. Step 3: Cross multiply
    3,571,391.69x = 4,928,556.68 × 1,939,830.90
  4. Step 4: Simplify right side
    3,571,391.69x = 9,560,566,530,566.26
  5. Step 5: Solve for x
    x = 9,560,566,530,566.26/3,571,391.69
  6. Step 6: Final answer
    x = 2,676,986.28

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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.