Finding the Fourth Proportional to 5,343,968.25, 7,375,464.09 and 3,384,025.20
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Solution
The fourth proportional to 5,343,968.25, 7,375,464.09 and 3,384,025.20 is: 4,670,453.71
Step by Step Solution
- Step 1: Write the proportion equation
5,343,968.25 : 7,375,464.09 = 3,384,025.20 : x - Step 2: Convert to fraction form
5,343,968.25/7,375,464.09 = 3,384,025.20/x - Step 3: Cross multiply
5,343,968.25x = 7,375,464.09 × 3,384,025.20 - Step 4: Simplify right side
5,343,968.25x = 24,958,756,342,255.07 - Step 5: Solve for x
x = 24,958,756,342,255.07/5,343,968.25 - Step 6: Final answer
x = 4,670,453.71
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.