Finding the Fourth Proportional to 3,390,317.11, 4,678,687.93 and 1,841,608.99
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Solution
The fourth proportional to 3,390,317.11, 4,678,687.93 and 1,841,608.99 is: 2,541,447.74
Step by Step Solution
- Step 1: Write the proportion equation
3,390,317.11 : 4,678,687.93 = 1,841,608.99 : x - Step 2: Convert to fraction form
3,390,317.11/4,678,687.93 = 1,841,608.99/x - Step 3: Cross multiply
3,390,317.11x = 4,678,687.93 × 1,841,608.99 - Step 4: Simplify right side
3,390,317.11x = 8,616,313,729,899.05 - Step 5: Solve for x
x = 8,616,313,729,899.05/3,390,317.11 - Step 6: Final answer
x = 2,541,447.74
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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.