Finding the Fourth Proportional to 5,361,849.77, 7,399,405.26 and 2,914,459.31
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Solution
The fourth proportional to 5,361,849.77, 7,399,405.26 and 2,914,459.31 is: 4,021,982.43
Step by Step Solution
- Step 1: Write the proportion equation
5,361,849.77 : 7,399,405.26 = 2,914,459.31 : x - Step 2: Convert to fraction form
5,361,849.77/7,399,405.26 = 2,914,459.31/x - Step 3: Cross multiply
5,361,849.77x = 7,399,405.26 × 2,914,459.31 - Step 4: Simplify right side
5,361,849.77x = 21,565,265,548,469.97 - Step 5: Solve for x
x = 21,565,265,548,469.97/5,361,849.77 - Step 6: Final answer
x = 4,021,982.43
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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.