Finding the Fourth Proportional to 3,845,910.74, 5,308,990.99 and 2,396,322.37
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Solution
The fourth proportional to 3,845,910.74, 5,308,990.99 and 2,396,322.37 is: 3,307,943.09
Step by Step Solution
- Step 1: Write the proportion equation
3,845,910.74 : 5,308,990.99 = 2,396,322.37 : x - Step 2: Convert to fraction form
3,845,910.74/5,308,990.99 = 2,396,322.37/x - Step 3: Cross multiply
3,845,910.74x = 5,308,990.99 × 2,396,322.37 - Step 4: Simplify right side
3,845,910.74x = 12,722,053,852,202.16 - Step 5: Solve for x
x = 12,722,053,852,202.16/3,845,910.74 - Step 6: Final answer
x = 3,307,943.09
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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.