Home / 3,911,375.74-5,867,904.90-1,317,938.60

Finding the Fourth Proportional to 3,911,375.74, 5,867,904.90 and 1,317,938.60

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Solution

The fourth proportional to 3,911,375.74, 5,867,904.90 and 1,317,938.60 is: 1,977,191.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,911,375.74 : 5,867,904.90 = 1,317,938.60 : x
  2. Step 2: Convert to fraction form
    3,911,375.74/5,867,904.90 = 1,317,938.60/x
  3. Step 3: Cross multiply
    3,911,375.74x = 5,867,904.90 × 1,317,938.60
  4. Step 4: Simplify right side
    3,911,375.74x = 7,733,538,368,839.14
  5. Step 5: Solve for x
    x = 7,733,538,368,839.14/3,911,375.74
  6. Step 6: Final answer
    x = 1,977,191.37

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.