Finding the Fourth Proportional to 7,171,544.40, 10,757,316.60 and 2,622,584.40
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Solution
The fourth proportional to 7,171,544.40, 10,757,316.60 and 2,622,584.40 is: 3,933,876.60
Step by Step Solution
- Step 1: Write the proportion equation
7,171,544.40 : 10,757,316.60 = 2,622,584.40 : x - Step 2: Convert to fraction form
7,171,544.40/10,757,316.60 = 2,622,584.40/x - Step 3: Cross multiply
7,171,544.40x = 10,757,316.60 × 2,622,584.40 - Step 4: Simplify right side
7,171,544.40x = 28,211,970,701,021.04 - Step 5: Solve for x
x = 28,211,970,701,021.04/7,171,544.40 - Step 6: Final answer
x = 3,933,876.60
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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.