Home / 3,653,201.80-5,480,580.30-1,129,112.20

Finding the Fourth Proportional to 3,653,201.80, 5,480,580.30 and 1,129,112.20

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Solution

The fourth proportional to 3,653,201.80, 5,480,580.30 and 1,129,112.20 is: 1,693,908.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,653,201.80 : 5,480,580.30 = 1,129,112.20 : x
  2. Step 2: Convert to fraction form
    3,653,201.80/5,480,580.30 = 1,129,112.20/x
  3. Step 3: Cross multiply
    3,653,201.80x = 5,480,580.30 × 1,129,112.20
  4. Step 4: Simplify right side
    3,653,201.80x = 6,188,190,079,809.66
  5. Step 5: Solve for x
    x = 6,188,190,079,809.66/3,653,201.80
  6. Step 6: Final answer
    x = 1,693,908.64

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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.