Finding the Fourth Proportional to 5,193,766.12, 7,167,115.56 and 2,901,483.94
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Solution
The fourth proportional to 5,193,766.12, 7,167,115.56 and 2,901,483.94 is: 4,003,890.47
Step by Step Solution
- Step 1: Write the proportion equation
5,193,766.12 : 7,167,115.56 = 2,901,483.94 : x - Step 2: Convert to fraction form
5,193,766.12/7,167,115.56 = 2,901,483.94/x - Step 3: Cross multiply
5,193,766.12x = 7,167,115.56 × 2,901,483.94 - Step 4: Simplify right side
5,193,766.12x = 20,795,270,693,464.11 - Step 5: Solve for x
x = 20,795,270,693,464.11/5,193,766.12 - Step 6: Final answer
x = 4,003,890.47
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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.