Finding the Fourth Proportional to 1,638,219.72, 2,458,436.73 and 573,270.99
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Solution
The fourth proportional to 1,638,219.72, 2,458,436.73 and 573,270.99 is: 860,293.92
Step by Step Solution
- Step 1: Write the proportion equation
1,638,219.72 : 2,458,436.73 = 573,270.99 : x - Step 2: Convert to fraction form
1,638,219.72/2,458,436.73 = 573,270.99/x - Step 3: Cross multiply
1,638,219.72x = 2,458,436.73 × 573,270.99 - Step 4: Simplify right side
1,638,219.72x = 1,409,350,458,059.46 - Step 5: Solve for x
x = 1,409,350,458,059.46/1,638,219.72 - Step 6: Final answer
x = 860,293.92
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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.