Home / 2,828,043.20-3,902,708.04-1,538,883.92

Finding the Fourth Proportional to 2,828,043.20, 3,902,708.04 and 1,538,883.92

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Solution

The fourth proportional to 2,828,043.20, 3,902,708.04 and 1,538,883.92 is: 2,123,664.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,828,043.20 : 3,902,708.04 = 1,538,883.92 : x
  2. Step 2: Convert to fraction form
    2,828,043.20/3,902,708.04 = 1,538,883.92/x
  3. Step 3: Cross multiply
    2,828,043.20x = 3,902,708.04 × 1,538,883.92
  4. Step 4: Simplify right side
    2,828,043.20x = 6,005,814,647,210.72
  5. Step 5: Solve for x
    x = 6,005,814,647,210.72/2,828,043.20
  6. Step 6: Final answer
    x = 2,123,664.39

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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.