Home / 3,616,401.20-5,422,630.80-1,091,728.40

Finding the Fourth Proportional to 3,616,401.20, 5,422,630.80 and 1,091,728.40

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Solution

The fourth proportional to 3,616,401.20, 5,422,630.80 and 1,091,728.40 is: 1,636,997.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,616,401.20 : 5,422,630.80 = 1,091,728.40 : x
  2. Step 2: Convert to fraction form
    3,616,401.20/5,422,630.80 = 1,091,728.40/x
  3. Step 3: Cross multiply
    3,616,401.20x = 5,422,630.80 × 1,091,728.40
  4. Step 4: Simplify right side
    3,616,401.20x = 5,920,040,047,074.72
  5. Step 5: Solve for x
    x = 5,920,040,047,074.72/3,616,401.20
  6. Step 6: Final answer
    x = 1,636,997.59

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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.