Finding the Fourth Proportional to 5,481,938.30, 8,230,990.85 and 3,057,827.63
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Solution
The fourth proportional to 5,481,938.30, 8,230,990.85 and 3,057,827.63 is: 4,591,250.37
Step by Step Solution
- Step 1: Write the proportion equation
5,481,938.30 : 8,230,990.85 = 3,057,827.63 : x - Step 2: Convert to fraction form
5,481,938.30/8,230,990.85 = 3,057,827.63/x - Step 3: Cross multiply
5,481,938.30x = 8,230,990.85 × 3,057,827.63 - Step 4: Simplify right side
5,481,938.30x = 25,168,951,259,277.66 - Step 5: Solve for x
x = 25,168,951,259,277.66/5,481,938.30 - Step 6: Final answer
x = 4,591,250.37
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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.