Finding the Fourth Proportional to 1,754,954.96, 2,419,495.83 and 1,393,575.08
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Solution
The fourth proportional to 1,754,954.96, 2,419,495.83 and 1,393,575.08 is: 1,921,273.86
Step by Step Solution
- Step 1: Write the proportion equation
1,754,954.96 : 2,419,495.83 = 1,393,575.08 : x - Step 2: Convert to fraction form
1,754,954.96/2,419,495.83 = 1,393,575.08/x - Step 3: Cross multiply
1,754,954.96x = 2,419,495.83 × 1,393,575.08 - Step 4: Simplify right side
1,754,954.96x = 3,371,749,082,754.44 - Step 5: Solve for x
x = 3,371,749,082,754.44/1,754,954.96 - Step 6: Final answer
x = 1,921,273.86
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.