Finding the Fourth Proportional to 3,280,602.20, 4,920,903.30 and 2,267,583.80
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Solution
The fourth proportional to 3,280,602.20, 4,920,903.30 and 2,267,583.80 is: 3,401,375.70
Step by Step Solution
- Step 1: Write the proportion equation
3,280,602.20 : 4,920,903.30 = 2,267,583.80 : x - Step 2: Convert to fraction form
3,280,602.20/4,920,903.30 = 2,267,583.80/x - Step 3: Cross multiply
3,280,602.20x = 4,920,903.30 × 2,267,583.80 - Step 4: Simplify right side
3,280,602.20x = 11,158,560,604,446.54 - Step 5: Solve for x
x = 11,158,560,604,446.54/3,280,602.20 - Step 6: Final answer
x = 3,401,375.70
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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.