Home / 2,811,430.39-4,216,309.93-1,192,175.33

Finding the Fourth Proportional to 2,811,430.39, 4,216,309.93 and 1,192,175.33

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Solution

The fourth proportional to 2,811,430.39, 4,216,309.93 and 1,192,175.33 is: 1,787,908.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,811,430.39 : 4,216,309.93 = 1,192,175.33 : x
  2. Step 2: Convert to fraction form
    2,811,430.39/4,216,309.93 = 1,192,175.33/x
  3. Step 3: Cross multiply
    2,811,430.39x = 4,216,309.93 × 1,192,175.33
  4. Step 4: Simplify right side
    2,811,430.39x = 5,026,580,682,180.03
  5. Step 5: Solve for x
    x = 5,026,580,682,180.03/2,811,430.39
  6. Step 6: Final answer
    x = 1,787,908.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.