Home / 3,886,772.58-5,363,755.65-2,168,004.42

Finding the Fourth Proportional to 3,886,772.58, 5,363,755.65 and 2,168,004.42

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Solution

The fourth proportional to 3,886,772.58, 5,363,755.65 and 2,168,004.42 is: 2,991,851.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,886,772.58 : 5,363,755.65 = 2,168,004.42 : x
  2. Step 2: Convert to fraction form
    3,886,772.58/5,363,755.65 = 2,168,004.42/x
  3. Step 3: Cross multiply
    3,886,772.58x = 5,363,755.65 × 2,168,004.42
  4. Step 4: Simplify right side
    3,886,772.58x = 11,628,645,956,999.97
  5. Step 5: Solve for x
    x = 11,628,645,956,999.97/3,886,772.58
  6. Step 6: Final answer
    x = 2,991,851.39

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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.