Home / 3,919,183.72-5,878,205.33-1,222,881.64

Finding the Fourth Proportional to 3,919,183.72, 5,878,205.33 and 1,222,881.64

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Solution

The fourth proportional to 3,919,183.72, 5,878,205.33 and 1,222,881.64 is: 1,834,144.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,919,183.72 : 5,878,205.33 = 1,222,881.64 : x
  2. Step 2: Convert to fraction form
    3,919,183.72/5,878,205.33 = 1,222,881.64/x
  3. Step 3: Cross multiply
    3,919,183.72x = 5,878,205.33 × 1,222,881.64
  4. Step 4: Simplify right side
    3,919,183.72x = 7,188,349,338,701.71
  5. Step 5: Solve for x
    x = 7,188,349,338,701.71/3,919,183.72
  6. Step 6: Final answer
    x = 1,834,144.52

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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.