Home / 3,042,540.09-4,198,706.32-1,665,971.05

Finding the Fourth Proportional to 3,042,540.09, 4,198,706.32 and 1,665,971.05

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Solution

The fourth proportional to 3,042,540.09, 4,198,706.32 and 1,665,971.05 is: 2,299,040.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,042,540.09 : 4,198,706.32 = 1,665,971.05 : x
  2. Step 2: Convert to fraction form
    3,042,540.09/4,198,706.32 = 1,665,971.05/x
  3. Step 3: Cross multiply
    3,042,540.09x = 4,198,706.32 × 1,665,971.05
  4. Step 4: Simplify right side
    3,042,540.09x = 6,994,923,155,578.51
  5. Step 5: Solve for x
    x = 6,994,923,155,578.51/3,042,540.09
  6. Step 6: Final answer
    x = 2,299,040.59

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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.