Home / 3,819,150.87-5,270,566.77-2,187,873.51

Finding the Fourth Proportional to 3,819,150.87, 5,270,566.77 and 2,187,873.51

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Solution

The fourth proportional to 3,819,150.87, 5,270,566.77 and 2,187,873.51 is: 3,019,344.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,819,150.87 : 5,270,566.77 = 2,187,873.51 : x
  2. Step 2: Convert to fraction form
    3,819,150.87/5,270,566.77 = 2,187,873.51/x
  3. Step 3: Cross multiply
    3,819,150.87x = 5,270,566.77 × 2,187,873.51
  4. Step 4: Simplify right side
    3,819,150.87x = 11,531,333,418,769.26
  5. Step 5: Solve for x
    x = 11,531,333,418,769.26/3,819,150.87
  6. Step 6: Final answer
    x = 3,019,344.83

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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.