Finding the Fourth Proportional to 5,642,517.81, 7,789,058.45 and 3,809,459.19
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Solution
The fourth proportional to 5,642,517.81, 7,789,058.45 and 3,809,459.19 is: 5,258,663.12
Step by Step Solution
- Step 1: Write the proportion equation
5,642,517.81 : 7,789,058.45 = 3,809,459.19 : x - Step 2: Convert to fraction form
5,642,517.81/7,789,058.45 = 3,809,459.19/x - Step 3: Cross multiply
5,642,517.81x = 7,789,058.45 × 3,809,459.19 - Step 4: Simplify right side
5,642,517.81x = 29,672,100,293,799.66 - Step 5: Solve for x
x = 29,672,100,293,799.66/5,642,517.81 - Step 6: Final answer
x = 5,258,663.12
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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.