Finding the Fourth Proportional to 4,214,403.73, 5,815,891.83 and 2,280,663.80
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Solution
The fourth proportional to 4,214,403.73, 5,815,891.83 and 2,280,663.80 is: 3,147,323.99
Step by Step Solution
- Step 1: Write the proportion equation
4,214,403.73 : 5,815,891.83 = 2,280,663.80 : x - Step 2: Convert to fraction form
4,214,403.73/5,815,891.83 = 2,280,663.80/x - Step 3: Cross multiply
4,214,403.73x = 5,815,891.83 × 2,280,663.80 - Step 4: Simplify right side
4,214,403.73x = 13,264,093,961,396.75 - Step 5: Solve for x
x = 13,264,093,961,396.75/4,214,403.73 - Step 6: Final answer
x = 3,147,323.99
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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.