Finding the Fourth Proportional to 3,670,203.70, 5,505,305.55 and 1,649,415.70
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Solution
The fourth proportional to 3,670,203.70, 5,505,305.55 and 1,649,415.70 is: 2,474,123.55
Step by Step Solution
- Step 1: Write the proportion equation
3,670,203.70 : 5,505,305.55 = 1,649,415.70 : x - Step 2: Convert to fraction form
3,670,203.70/5,505,305.55 = 1,649,415.70/x - Step 3: Cross multiply
3,670,203.70x = 5,505,305.55 × 1,649,415.70 - Step 4: Simplify right side
3,670,203.70x = 9,080,537,407,467.14 - Step 5: Solve for x
x = 9,080,537,407,467.14/3,670,203.70 - Step 6: Final answer
x = 2,474,123.55
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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.