Finding the Fourth Proportional to 4,847,072.24, 6,688,566.42 and 2,810,012.96
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Solution
The fourth proportional to 4,847,072.24, 6,688,566.42 and 2,810,012.96 is: 3,877,589.89
Step by Step Solution
- Step 1: Write the proportion equation
4,847,072.24 : 6,688,566.42 = 2,810,012.96 : x - Step 2: Convert to fraction form
4,847,072.24/6,688,566.42 = 2,810,012.96/x - Step 3: Cross multiply
4,847,072.24x = 6,688,566.42 × 2,810,012.96 - Step 4: Simplify right side
4,847,072.24x = 18,794,958,324,020.80 - Step 5: Solve for x
x = 18,794,958,324,020.80/4,847,072.24 - Step 6: Final answer
x = 3,877,589.89
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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.