Home / 3,891,921.54-5,835,922.38-1,297,307.68

Finding the Fourth Proportional to 3,891,921.54, 5,835,922.38 and 1,297,307.68

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Solution

The fourth proportional to 3,891,921.54, 5,835,922.38 and 1,297,307.68 is: 1,945,308.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,891,921.54 : 5,835,922.38 = 1,297,307.68 : x
  2. Step 2: Convert to fraction form
    3,891,921.54/5,835,922.38 = 1,297,307.68/x
  3. Step 3: Cross multiply
    3,891,921.54x = 5,835,922.38 × 1,297,307.68
  4. Step 4: Simplify right side
    3,891,921.54x = 7,570,986,923,457.88
  5. Step 5: Solve for x
    x = 7,570,986,923,457.88/3,891,921.54
  6. Step 6: Final answer
    x = 1,945,308.21

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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.