Finding the Fourth Proportional to 1,847,344.20, 2,766,350.70 and 1,212,822.60
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Solution
The fourth proportional to 1,847,344.20, 2,766,350.70 and 1,212,822.60 is: 1,816,170.83
Step by Step Solution
- Step 1: Write the proportion equation
1,847,344.20 : 2,766,350.70 = 1,212,822.60 : x - Step 2: Convert to fraction form
1,847,344.20/2,766,350.70 = 1,212,822.60/x - Step 3: Cross multiply
1,847,344.20x = 2,766,350.70 × 1,212,822.60 - Step 4: Simplify right side
1,847,344.20x = 3,355,092,648,485.82 - Step 5: Solve for x
x = 3,355,092,648,485.82/1,847,344.20 - Step 6: Final answer
x = 1,816,170.83
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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.