Finding the Fourth Proportional to 6,394,183.65, 8,823,869.13 and 3,493,512.09
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Solution
The fourth proportional to 6,394,183.65, 8,823,869.13 and 3,493,512.09 is: 4,820,989.70
Step by Step Solution
- Step 1: Write the proportion equation
6,394,183.65 : 8,823,869.13 = 3,493,512.09 : x - Step 2: Convert to fraction form
6,394,183.65/8,823,869.13 = 3,493,512.09/x - Step 3: Cross multiply
6,394,183.65x = 8,823,869.13 × 3,493,512.09 - Step 4: Simplify right side
6,394,183.65x = 30,826,293,486,232.79 - Step 5: Solve for x
x = 30,826,293,486,232.79/6,394,183.65 - Step 6: Final answer
x = 4,820,989.70
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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.