Finding the Fourth Proportional to 2,242,236.66, 3,361,355.10 and 821,961.21
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Solution
The fourth proportional to 2,242,236.66, 3,361,355.10 and 821,961.21 is: 1,232,208.69
Step by Step Solution
- Step 1: Write the proportion equation
2,242,236.66 : 3,361,355.10 = 821,961.21 : x - Step 2: Convert to fraction form
2,242,236.66/3,361,355.10 = 821,961.21/x - Step 3: Cross multiply
2,242,236.66x = 3,361,355.10 × 821,961.21 - Step 4: Simplify right side
2,242,236.66x = 2,762,903,505,235.67 - Step 5: Solve for x
x = 2,762,903,505,235.67/2,242,236.66 - Step 6: Final answer
x = 1,232,208.69
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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.