Finding the Fourth Proportional to 1,392,912.99, 2,086,678.85 and 1,027,530.27
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Solution
The fourth proportional to 1,392,912.99, 2,086,678.85 and 1,027,530.27 is: 1,539,310.56
Step by Step Solution
- Step 1: Write the proportion equation
1,392,912.99 : 2,086,678.85 = 1,027,530.27 : x - Step 2: Convert to fraction form
1,392,912.99/2,086,678.85 = 1,027,530.27/x - Step 3: Cross multiply
1,392,912.99x = 2,086,678.85 × 1,027,530.27 - Step 4: Simplify right side
1,392,912.99x = 2,144,125,677,006.14 - Step 5: Solve for x
x = 2,144,125,677,006.14/1,392,912.99 - Step 6: Final answer
x = 1,539,310.56
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.