Finding the Fourth Proportional to 4,006,383.08, 5,528,813.51 and 2,170,839.92
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Solution
The fourth proportional to 4,006,383.08, 5,528,813.51 and 2,170,839.92 is: 2,995,761.72
Step by Step Solution
- Step 1: Write the proportion equation
4,006,383.08 : 5,528,813.51 = 2,170,839.92 : x - Step 2: Convert to fraction form
4,006,383.08/5,528,813.51 = 2,170,839.92/x - Step 3: Cross multiply
4,006,383.08x = 5,528,813.51 × 2,170,839.92 - Step 4: Simplify right side
4,006,383.08x = 12,002,169,039,245.05 - Step 5: Solve for x
x = 12,002,169,039,245.05/4,006,383.08 - Step 6: Final answer
x = 2,995,761.72
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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.