Finding the Fourth Proportional to 1,389,236.27, 2,082,656.62 and 536,905.99
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Solution
The fourth proportional to 1,389,236.27, 2,082,656.62 and 536,905.99 is: 804,896.07
Step by Step Solution
- Step 1: Write the proportion equation
1,389,236.27 : 2,082,656.62 = 536,905.99 : x - Step 2: Convert to fraction form
1,389,236.27/2,082,656.62 = 536,905.99/x - Step 3: Cross multiply
1,389,236.27x = 2,082,656.62 × 536,905.99 - Step 4: Simplify right side
1,389,236.27x = 1,118,190,814,391.15 - Step 5: Solve for x
x = 1,118,190,814,391.15/1,389,236.27 - Step 6: Final answer
x = 804,896.07
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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.