Finding the Fourth Proportional to 2,239,612.62, 3,361,583.25 and 2,118,233.58
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Solution
The fourth proportional to 2,239,612.62, 3,361,583.25 and 2,118,233.58 is: 3,179,397.39
Step by Step Solution
- Step 1: Write the proportion equation
2,239,612.62 : 3,361,583.25 = 2,118,233.58 : x - Step 2: Convert to fraction form
2,239,612.62/3,361,583.25 = 2,118,233.58/x - Step 3: Cross multiply
2,239,612.62x = 3,361,583.25 × 2,118,233.58 - Step 4: Simplify right side
2,239,612.62x = 7,120,618,522,115.54 - Step 5: Solve for x
x = 7,120,618,522,115.54/2,239,612.62 - Step 6: Final answer
x = 3,179,397.39
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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.