Finding the Fourth Proportional to 3,617,365.80, 4,990,942.36 and 2,328,952.26
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Solution
The fourth proportional to 3,617,365.80, 4,990,942.36 and 2,328,952.26 is: 3,213,295.84
Step by Step Solution
- Step 1: Write the proportion equation
3,617,365.80 : 4,990,942.36 = 2,328,952.26 : x - Step 2: Convert to fraction form
3,617,365.80/4,990,942.36 = 2,328,952.26/x - Step 3: Cross multiply
3,617,365.80x = 4,990,942.36 × 2,328,952.26 - Step 4: Simplify right side
3,617,365.80x = 11,623,666,477,206.97 - Step 5: Solve for x
x = 11,623,666,477,206.97/3,617,365.80 - Step 6: Final answer
x = 3,213,295.84
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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.