Finding the Fourth Proportional to 3,738,000.66, 5,158,442.96 and 2,019,121.17
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Solution
The fourth proportional to 3,738,000.66, 5,158,442.96 and 2,019,121.17 is: 2,786,388.32
Step by Step Solution
- Step 1: Write the proportion equation
3,738,000.66 : 5,158,442.96 = 2,019,121.17 : x - Step 2: Convert to fraction form
3,738,000.66/5,158,442.96 = 2,019,121.17/x - Step 3: Cross multiply
3,738,000.66x = 5,158,442.96 × 2,019,121.17 - Step 4: Simplify right side
3,738,000.66x = 10,415,521,386,242.86 - Step 5: Solve for x
x = 10,415,521,386,242.86/3,738,000.66 - Step 6: Final answer
x = 2,786,388.32
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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.