Home / 1,842,451.09-2,542,771.70-1,107,643.25

Finding the Fourth Proportional to 1,842,451.09, 2,542,771.70 and 1,107,643.25

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Solution

The fourth proportional to 1,842,451.09, 2,542,771.70 and 1,107,643.25 is: 1,528,661.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,842,451.09 : 2,542,771.70 = 1,107,643.25 : x
  2. Step 2: Convert to fraction form
    1,842,451.09/2,542,771.70 = 1,107,643.25/x
  3. Step 3: Cross multiply
    1,842,451.09x = 2,542,771.70 × 1,107,643.25
  4. Step 4: Simplify right side
    1,842,451.09x = 2,816,483,891,543.95
  5. Step 5: Solve for x
    x = 2,816,483,891,543.95/1,842,451.09
  6. Step 6: Final answer
    x = 1,528,661.42

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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.