Home / 1,921,771.32-2,651,918.04-1,105,843.31

Finding the Fourth Proportional to 1,921,771.32, 2,651,918.04 and 1,105,843.31

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Solution

The fourth proportional to 1,921,771.32, 2,651,918.04 and 1,105,843.31 is: 1,525,991.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,921,771.32 : 2,651,918.04 = 1,105,843.31 : x
  2. Step 2: Convert to fraction form
    1,921,771.32/2,651,918.04 = 1,105,843.31/x
  3. Step 3: Cross multiply
    1,921,771.32x = 2,651,918.04 × 1,105,843.31
  4. Step 4: Simplify right side
    1,921,771.32x = 2,932,605,823,202.31
  5. Step 5: Solve for x
    x = 2,932,605,823,202.31/1,921,771.32
  6. Step 6: Final answer
    x = 1,525,991.04

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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.