Finding the Fourth Proportional to 1,511,552.16, 2,267,290.44 and 612,753.48
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Solution
The fourth proportional to 1,511,552.16, 2,267,290.44 and 612,753.48 is: 919,114.90
Step by Step Solution
- Step 1: Write the proportion equation
1,511,552.16 : 2,267,290.44 = 612,753.48 : x - Step 2: Convert to fraction form
1,511,552.16/2,267,290.44 = 612,753.48/x - Step 3: Cross multiply
1,511,552.16x = 2,267,290.44 × 612,753.48 - Step 4: Simplify right side
1,511,552.16x = 1,389,290,107,280.73 - Step 5: Solve for x
x = 1,389,290,107,280.73/1,511,552.16 - Step 6: Final answer
x = 919,114.90
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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.