Home / 1,980,768.24-2,969,183.72-1,180,851.12

Finding the Fourth Proportional to 1,980,768.24, 2,969,183.72 and 1,180,851.12

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Solution

The fourth proportional to 1,980,768.24, 2,969,183.72 and 1,180,851.12 is: 1,770,103.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,980,768.24 : 2,969,183.72 = 1,180,851.12 : x
  2. Step 2: Convert to fraction form
    1,980,768.24/2,969,183.72 = 1,180,851.12/x
  3. Step 3: Cross multiply
    1,980,768.24x = 2,969,183.72 × 1,180,851.12
  4. Step 4: Simplify right side
    1,980,768.24x = 3,506,163,921,247.77
  5. Step 5: Solve for x
    x = 3,506,163,921,247.77/1,980,768.24
  6. Step 6: Final answer
    x = 1,770,103.06

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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.