Home / 4,120,653.72-6,180,138.86-1,560,986.18

Finding the Fourth Proportional to 4,120,653.72, 6,180,138.86 and 1,560,986.18

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Solution

The fourth proportional to 4,120,653.72, 6,180,138.86 and 1,560,986.18 is: 2,341,160.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,120,653.72 : 6,180,138.86 = 1,560,986.18 : x
  2. Step 2: Convert to fraction form
    4,120,653.72/6,180,138.86 = 1,560,986.18/x
  3. Step 3: Cross multiply
    4,120,653.72x = 6,180,138.86 × 1,560,986.18
  4. Step 4: Simplify right side
    4,120,653.72x = 9,647,111,378,954.68
  5. Step 5: Solve for x
    x = 9,647,111,378,954.68/4,120,653.72
  6. Step 6: Final answer
    x = 2,341,160.42

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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.