Finding the Fourth Proportional to 5,193,455.52, 7,167,858.60 and 3,019,259.84
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Solution
The fourth proportional to 5,193,455.52, 7,167,858.60 and 3,019,259.84 is: 4,167,095.98
Step by Step Solution
- Step 1: Write the proportion equation
5,193,455.52 : 7,167,858.60 = 3,019,259.84 : x - Step 2: Convert to fraction form
5,193,455.52/7,167,858.60 = 3,019,259.84/x - Step 3: Cross multiply
5,193,455.52x = 7,167,858.60 × 3,019,259.84 - Step 4: Simplify right side
5,193,455.52x = 21,641,627,609,778.62 - Step 5: Solve for x
x = 21,641,627,609,778.62/5,193,455.52 - Step 6: Final answer
x = 4,167,095.98
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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.