Finding the Fourth Proportional to 5,083,302.36, 7,015,122.09 and 2,907,849.72
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Solution
The fourth proportional to 5,083,302.36, 7,015,122.09 and 2,907,849.72 is: 4,012,926.90
Step by Step Solution
- Step 1: Write the proportion equation
5,083,302.36 : 7,015,122.09 = 2,907,849.72 : x - Step 2: Convert to fraction form
5,083,302.36/7,015,122.09 = 2,907,849.72/x - Step 3: Cross multiply
5,083,302.36x = 7,015,122.09 × 2,907,849.72 - Step 4: Simplify right side
5,083,302.36x = 20,398,920,805,172.32 - Step 5: Solve for x
x = 20,398,920,805,172.32/5,083,302.36 - Step 6: Final answer
x = 4,012,926.90
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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.