Finding the Fourth Proportional to 3,674,821.18, 5,512,219.46 and 942,365.61
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Solution
The fourth proportional to 3,674,821.18, 5,512,219.46 and 942,365.61 is: 1,413,545.26
Step by Step Solution
- Step 1: Write the proportion equation
3,674,821.18 : 5,512,219.46 = 942,365.61 : x - Step 2: Convert to fraction form
3,674,821.18/5,512,219.46 = 942,365.61/x - Step 3: Cross multiply
3,674,821.18x = 5,512,219.46 × 942,365.61 - Step 4: Simplify right side
3,674,821.18x = 5,194,526,053,876.77 - Step 5: Solve for x
x = 5,194,526,053,876.77/3,674,821.18 - Step 6: Final answer
x = 1,413,545.26
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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.