Finding the Fourth Proportional to 5,920,474.68, 8,170,279.02 and 3,204,219.96
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Solution
The fourth proportional to 5,920,474.68, 8,170,279.02 and 3,204,219.96 is: 4,421,836.51
Step by Step Solution
- Step 1: Write the proportion equation
5,920,474.68 : 8,170,279.02 = 3,204,219.96 : x - Step 2: Convert to fraction form
5,920,474.68/8,170,279.02 = 3,204,219.96/x - Step 3: Cross multiply
5,920,474.68x = 8,170,279.02 × 3,204,219.96 - Step 4: Simplify right side
5,920,474.68x = 26,179,371,114,653.24 - Step 5: Solve for x
x = 26,179,371,114,653.24/5,920,474.68 - Step 6: Final answer
x = 4,421,836.51
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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.