Home / 2,752,051.20-4,128,076.80-858,546.60

Finding the Fourth Proportional to 2,752,051.20, 4,128,076.80 and 858,546.60

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Solution

The fourth proportional to 2,752,051.20, 4,128,076.80 and 858,546.60 is: 1,287,819.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,752,051.20 : 4,128,076.80 = 858,546.60 : x
  2. Step 2: Convert to fraction form
    2,752,051.20/4,128,076.80 = 858,546.60/x
  3. Step 3: Cross multiply
    2,752,051.20x = 4,128,076.80 × 858,546.60
  4. Step 4: Simplify right side
    2,752,051.20x = 3,544,146,301,178.88
  5. Step 5: Solve for x
    x = 3,544,146,301,178.88/2,752,051.20
  6. Step 6: Final answer
    x = 1,287,819.90

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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.