Home / 2,131,485.04-3,198,802.20-1,009,554

Finding the Fourth Proportional to 2,131,485.04, 3,198,802.20 and 1,009,554

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Solution

The fourth proportional to 2,131,485.04, 3,198,802.20 and 1,009,554 is: 1,515,076.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,131,485.04 : 3,198,802.20 = 1,009,554 : x
  2. Step 2: Convert to fraction form
    2,131,485.04/3,198,802.20 = 1,009,554/x
  3. Step 3: Cross multiply
    2,131,485.04x = 3,198,802.20 × 1,009,554
  4. Step 4: Simplify right side
    2,131,485.04x = 3,229,363,556,218.80
  5. Step 5: Solve for x
    x = 3,229,363,556,218.80/2,131,485.04
  6. Step 6: Final answer
    x = 1,515,076.81

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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.