Finding the Fourth Proportional to 3,612,415.42, 5,414,830.03 and 1,215,427.88
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Solution
The fourth proportional to 3,612,415.42, 5,414,830.03 and 1,215,427.88 is: 1,821,865.60
Step by Step Solution
- Step 1: Write the proportion equation
3,612,415.42 : 5,414,830.03 = 1,215,427.88 : x - Step 2: Convert to fraction form
3,612,415.42/5,414,830.03 = 1,215,427.88/x - Step 3: Cross multiply
3,612,415.42x = 5,414,830.03 × 1,215,427.88 - Step 4: Simplify right side
3,612,415.42x = 6,581,335,383,923.24 - Step 5: Solve for x
x = 6,581,335,383,923.24/3,612,415.42 - Step 6: Final answer
x = 1,821,865.60
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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.