Home / 3,111,947.61-4,668,067.22-1,512,604.23

Finding the Fourth Proportional to 3,111,947.61, 4,668,067.22 and 1,512,604.23

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Solution

The fourth proportional to 3,111,947.61, 4,668,067.22 and 1,512,604.23 is: 2,268,977.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,111,947.61 : 4,668,067.22 = 1,512,604.23 : x
  2. Step 2: Convert to fraction form
    3,111,947.61/4,668,067.22 = 1,512,604.23/x
  3. Step 3: Cross multiply
    3,111,947.61x = 4,668,067.22 × 1,512,604.23
  4. Step 4: Simplify right side
    3,111,947.61x = 7,060,938,222,896.34
  5. Step 5: Solve for x
    x = 7,060,938,222,896.34/3,111,947.61
  6. Step 6: Final answer
    x = 2,268,977.22

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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.