Home / 3,616,441.20-5,422,690.80-1,091,768.40

Finding the Fourth Proportional to 3,616,441.20, 5,422,690.80 and 1,091,768.40

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Solution

The fourth proportional to 3,616,441.20, 5,422,690.80 and 1,091,768.40 is: 1,637,057.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,616,441.20 : 5,422,690.80 = 1,091,768.40 : x
  2. Step 2: Convert to fraction form
    3,616,441.20/5,422,690.80 = 1,091,768.40/x
  3. Step 3: Cross multiply
    3,616,441.20x = 5,422,690.80 × 1,091,768.40
  4. Step 4: Simplify right side
    3,616,441.20x = 5,920,322,458,410.72
  5. Step 5: Solve for x
    x = 5,920,322,458,410.72/3,616,441.20
  6. Step 6: Final answer
    x = 1,637,057.57

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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.