Finding the Fourth Proportional to 2,557,193.79, 3,530,078.28 and 1,686,544.99
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Solution
The fourth proportional to 2,557,193.79, 3,530,078.28 and 1,686,544.99 is: 2,328,191.10
Step by Step Solution
- Step 1: Write the proportion equation
2,557,193.79 : 3,530,078.28 = 1,686,544.99 : x - Step 2: Convert to fraction form
2,557,193.79/3,530,078.28 = 1,686,544.99/x - Step 3: Cross multiply
2,557,193.79x = 3,530,078.28 × 1,686,544.99 - Step 4: Simplify right side
2,557,193.79x = 5,953,635,841,358.12 - Step 5: Solve for x
x = 5,953,635,841,358.12/2,557,193.79 - Step 6: Final answer
x = 2,328,191.10
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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.