Home / 3,851,991.92-5,315,744.05-2,133,110.36

Finding the Fourth Proportional to 3,851,991.92, 5,315,744.05 and 2,133,110.36

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Solution

The fourth proportional to 3,851,991.92, 5,315,744.05 and 2,133,110.36 is: 2,943,689.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,851,991.92 : 5,315,744.05 = 2,133,110.36 : x
  2. Step 2: Convert to fraction form
    3,851,991.92/5,315,744.05 = 2,133,110.36/x
  3. Step 3: Cross multiply
    3,851,991.92x = 5,315,744.05 × 2,133,110.36
  4. Step 4: Simplify right side
    3,851,991.92x = 11,339,068,666,919.09
  5. Step 5: Solve for x
    x = 11,339,068,666,919.09/3,851,991.92
  6. Step 6: Final answer
    x = 2,943,689.63

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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.