Finding the Fourth Proportional to 4,625,975.88, 6,384,514.86 and 2,665,478.70
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Solution
The fourth proportional to 4,625,975.88, 6,384,514.86 and 2,665,478.70 is: 3,678,745.59
Step by Step Solution
- Step 1: Write the proportion equation
4,625,975.88 : 6,384,514.86 = 2,665,478.70 : x - Step 2: Convert to fraction form
4,625,975.88/6,384,514.86 = 2,665,478.70/x - Step 3: Cross multiply
4,625,975.88x = 6,384,514.86 × 2,665,478.70 - Step 4: Simplify right side
4,625,975.88x = 17,017,788,369,163.48 - Step 5: Solve for x
x = 17,017,788,369,163.48/4,625,975.88 - Step 6: Final answer
x = 3,678,745.59
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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.