Home / 2,027,809.20-2,798,083.80-1,122,389.04

Finding the Fourth Proportional to 2,027,809.20, 2,798,083.80 and 1,122,389.04

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Solution

The fourth proportional to 2,027,809.20, 2,798,083.80 and 1,122,389.04 is: 1,548,734.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,027,809.20 : 2,798,083.80 = 1,122,389.04 : x
  2. Step 2: Convert to fraction form
    2,027,809.20/2,798,083.80 = 1,122,389.04/x
  3. Step 3: Cross multiply
    2,027,809.20x = 2,798,083.80 × 1,122,389.04
  4. Step 4: Simplify right side
    2,027,809.20x = 3,140,538,590,121.55
  5. Step 5: Solve for x
    x = 3,140,538,590,121.55/2,027,809.20
  6. Step 6: Final answer
    x = 1,548,734.76

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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.