Home / 1,945,791.88-2,685,928.26-1,531,253.32

Finding the Fourth Proportional to 1,945,791.88, 2,685,928.26 and 1,531,253.32

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Solution

The fourth proportional to 1,945,791.88, 2,685,928.26 and 1,531,253.32 is: 2,113,708.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,945,791.88 : 2,685,928.26 = 1,531,253.32 : x
  2. Step 2: Convert to fraction form
    1,945,791.88/2,685,928.26 = 1,531,253.32/x
  3. Step 3: Cross multiply
    1,945,791.88x = 2,685,928.26 × 1,531,253.32
  4. Step 4: Simplify right side
    1,945,791.88x = 4,112,836,565,406.82
  5. Step 5: Solve for x
    x = 4,112,836,565,406.82/1,945,791.88
  6. Step 6: Final answer
    x = 2,113,708.36

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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.