Finding the Fourth Proportional to 4,039,012.20, 6,048,020.70 and 3,192,205.80
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Solution
The fourth proportional to 4,039,012.20, 6,048,020.70 and 3,192,205.80 is: 4,780,011.99
Step by Step Solution
- Step 1: Write the proportion equation
4,039,012.20 : 6,048,020.70 = 3,192,205.80 : x - Step 2: Convert to fraction form
4,039,012.20/6,048,020.70 = 3,192,205.80/x - Step 3: Cross multiply
4,039,012.20x = 6,048,020.70 × 3,192,205.80 - Step 4: Simplify right side
4,039,012.20x = 19,306,526,757,060.06 - Step 5: Solve for x
x = 19,306,526,757,060.06/4,039,012.20 - Step 6: Final answer
x = 4,780,011.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.