Finding the Fourth Proportional to 3,511,461.70, 5,267,192.58 and 987,116.95
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Solution
The fourth proportional to 3,511,461.70, 5,267,192.58 and 987,116.95 is: 1,480,675.43
Step by Step Solution
- Step 1: Write the proportion equation
3,511,461.70 : 5,267,192.58 = 987,116.95 : x - Step 2: Convert to fraction form
3,511,461.70/5,267,192.58 = 987,116.95/x - Step 3: Cross multiply
3,511,461.70x = 5,267,192.58 × 987,116.95 - Step 4: Simplify right side
3,511,461.70x = 5,199,335,061,464.25 - Step 5: Solve for x
x = 5,199,335,061,464.25/3,511,461.70 - Step 6: Final answer
x = 1,480,675.43
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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.