Finding the Fourth Proportional to 4,291,940.12, 6,438,907.28 and 1,259,183.48
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Solution
The fourth proportional to 4,291,940.12, 6,438,907.28 and 1,259,183.48 is: 1,889,067.75
Step by Step Solution
- Step 1: Write the proportion equation
4,291,940.12 : 6,438,907.28 = 1,259,183.48 : x - Step 2: Convert to fraction form
4,291,940.12/6,438,907.28 = 1,259,183.48/x - Step 3: Cross multiply
4,291,940.12x = 6,438,907.28 × 1,259,183.48 - Step 4: Simplify right side
4,291,940.12x = 8,107,765,647,181.16 - Step 5: Solve for x
x = 8,107,765,647,181.16/4,291,940.12 - Step 6: Final answer
x = 1,889,067.75
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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.