Home / 2,059,954.80-3,089,937.96-640,218.48

Finding the Fourth Proportional to 2,059,954.80, 3,089,937.96 and 640,218.48

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Solution

The fourth proportional to 2,059,954.80, 3,089,937.96 and 640,218.48 is: 960,329.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,059,954.80 : 3,089,937.96 = 640,218.48 : x
  2. Step 2: Convert to fraction form
    2,059,954.80/3,089,937.96 = 640,218.48/x
  3. Step 3: Cross multiply
    2,059,954.80x = 3,089,937.96 × 640,218.48
  4. Step 4: Simplify right side
    2,059,954.80x = 1,978,235,384,045.50
  5. Step 5: Solve for x
    x = 1,978,235,384,045.50/2,059,954.80
  6. Step 6: Final answer
    x = 960,329.51

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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.