Finding the Fourth Proportional to 5,494,514.70, 8,241,772.05 and 2,807,129.10
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Solution
The fourth proportional to 5,494,514.70, 8,241,772.05 and 2,807,129.10 is: 4,210,693.65
Step by Step Solution
- Step 1: Write the proportion equation
5,494,514.70 : 8,241,772.05 = 2,807,129.10 : x - Step 2: Convert to fraction form
5,494,514.70/8,241,772.05 = 2,807,129.10/x - Step 3: Cross multiply
5,494,514.70x = 8,241,772.05 × 2,807,129.10 - Step 4: Simplify right side
5,494,514.70x = 23,135,718,157,121.66 - Step 5: Solve for x
x = 23,135,718,157,121.66/5,494,514.70 - Step 6: Final answer
x = 4,210,693.65
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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.