Home / 1,915,125.36-2,642,891.16-1,055,716.37

Finding the Fourth Proportional to 1,915,125.36, 2,642,891.16 and 1,055,716.37

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Solution

The fourth proportional to 1,915,125.36, 2,642,891.16 and 1,055,716.37 is: 1,456,898.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,915,125.36 : 2,642,891.16 = 1,055,716.37 : x
  2. Step 2: Convert to fraction form
    1,915,125.36/2,642,891.16 = 1,055,716.37/x
  3. Step 3: Cross multiply
    1,915,125.36x = 2,642,891.16 × 1,055,716.37
  4. Step 4: Simplify right side
    1,915,125.36x = 2,790,143,448,525.83
  5. Step 5: Solve for x
    x = 2,790,143,448,525.83/1,915,125.36
  6. Step 6: Final answer
    x = 1,456,898.60

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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.