Finding the Fourth Proportional to 5,525,990.96, 7,622,948.40 and 3,804,122.12
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Solution
The fourth proportional to 5,525,990.96, 7,622,948.40 and 3,804,122.12 is: 5,247,678.98
Step by Step Solution
- Step 1: Write the proportion equation
5,525,990.96 : 7,622,948.40 = 3,804,122.12 : x - Step 2: Convert to fraction form
5,525,990.96/7,622,948.40 = 3,804,122.12/x - Step 3: Cross multiply
5,525,990.96x = 7,622,948.40 × 3,804,122.12 - Step 4: Simplify right side
5,525,990.96x = 28,998,626,628,058.61 - Step 5: Solve for x
x = 28,998,626,628,058.61/5,525,990.96 - Step 6: Final answer
x = 5,247,678.98
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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.