Finding the Fourth Proportional to 1,511,634.05, 2,267,436.96 and 612,862.13
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Solution
The fourth proportional to 1,511,634.05, 2,267,436.96 and 612,862.13 is: 919,287.47
Step by Step Solution
- Step 1: Write the proportion equation
1,511,634.05 : 2,267,436.96 = 612,862.13 : x - Step 2: Convert to fraction form
1,511,634.05/2,267,436.96 = 612,862.13/x - Step 3: Cross multiply
1,511,634.05x = 2,267,436.96 × 612,862.13 - Step 4: Simplify right side
1,511,634.05x = 1,389,626,230,544.83 - Step 5: Solve for x
x = 1,389,626,230,544.83/1,511,634.05 - Step 6: Final answer
x = 919,287.47
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.