Home / 2,589,006.23-3,883,512.08-1,398,498.20

Finding the Fourth Proportional to 2,589,006.23, 3,883,512.08 and 1,398,498.20

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Solution

The fourth proportional to 2,589,006.23, 3,883,512.08 and 1,398,498.20 is: 2,097,748.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,589,006.23 : 3,883,512.08 = 1,398,498.20 : x
  2. Step 2: Convert to fraction form
    2,589,006.23/3,883,512.08 = 1,398,498.20/x
  3. Step 3: Cross multiply
    2,589,006.23x = 3,883,512.08 × 1,398,498.20
  4. Step 4: Simplify right side
    2,589,006.23x = 5,431,084,653,558.26
  5. Step 5: Solve for x
    x = 5,431,084,653,558.26/2,589,006.23
  6. Step 6: Final answer
    x = 2,097,748.78

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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.