Finding the Fourth Proportional to 3,863,136.30, 5,795,482.05 and 3,236,390.70
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Solution
The fourth proportional to 3,863,136.30, 5,795,482.05 and 3,236,390.70 is: 4,855,237.49
Step by Step Solution
- Step 1: Write the proportion equation
3,863,136.30 : 5,795,482.05 = 3,236,390.70 : x - Step 2: Convert to fraction form
3,863,136.30/5,795,482.05 = 3,236,390.70/x - Step 3: Cross multiply
3,863,136.30x = 5,795,482.05 × 3,236,390.70 - Step 4: Simplify right side
3,863,136.30x = 18,756,444,208,636.93 - Step 5: Solve for x
x = 18,756,444,208,636.93/3,863,136.30 - Step 6: Final answer
x = 4,855,237.49
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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.