Finding the Fourth Proportional to 5,380,612.18, 8,070,907.33 and 2,184,989.65
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Solution
The fourth proportional to 5,380,612.18, 8,070,907.33 and 2,184,989.65 is: 3,277,480.03
Step by Step Solution
- Step 1: Write the proportion equation
5,380,612.18 : 8,070,907.33 = 2,184,989.65 : x - Step 2: Convert to fraction form
5,380,612.18/8,070,907.33 = 2,184,989.65/x - Step 3: Cross multiply
5,380,612.18x = 8,070,907.33 × 2,184,989.65 - Step 4: Simplify right side
5,380,612.18x = 17,634,848,964,713.10 - Step 5: Solve for x
x = 17,634,848,964,713.10/5,380,612.18 - Step 6: Final answer
x = 3,277,480.03
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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.