Home / 3,911,376.74-5,867,906.40-1,317,939.60

Finding the Fourth Proportional to 3,911,376.74, 5,867,906.40 and 1,317,939.60

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Solution

The fourth proportional to 3,911,376.74, 5,867,906.40 and 1,317,939.60 is: 1,977,192.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,911,376.74 : 5,867,906.40 = 1,317,939.60 : x
  2. Step 2: Convert to fraction form
    3,911,376.74/5,867,906.40 = 1,317,939.60/x
  3. Step 3: Cross multiply
    3,911,376.74x = 5,867,906.40 × 1,317,939.60
  4. Step 4: Simplify right side
    3,911,376.74x = 7,733,546,213,653.44
  5. Step 5: Solve for x
    x = 7,733,546,213,653.44/3,911,376.74
  6. Step 6: Final answer
    x = 1,977,192.87

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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.