Finding the Fourth Proportional to 2,914,474.48, 4,022,263.94 and 2,178,149.92
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Solution
The fourth proportional to 2,914,474.48, 4,022,263.94 and 2,178,149.92 is: 3,006,062.99
Step by Step Solution
- Step 1: Write the proportion equation
2,914,474.48 : 4,022,263.94 = 2,178,149.92 : x - Step 2: Convert to fraction form
2,914,474.48/4,022,263.94 = 2,178,149.92/x - Step 3: Cross multiply
2,914,474.48x = 4,022,263.94 × 2,178,149.92 - Step 4: Simplify right side
2,914,474.48x = 8,761,093,879,129.89 - Step 5: Solve for x
x = 8,761,093,879,129.89/2,914,474.48 - Step 6: Final answer
x = 3,006,062.99
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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.