Finding the Fourth Proportional to 5,184,514.40, 7,763,163.60 and 3,659,964.80
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Solution
The fourth proportional to 5,184,514.40, 7,763,163.60 and 3,659,964.80 is: 5,480,340.75
Step by Step Solution
- Step 1: Write the proportion equation
5,184,514.40 : 7,763,163.60 = 3,659,964.80 : x - Step 2: Convert to fraction form
5,184,514.40/7,763,163.60 = 3,659,964.80/x - Step 3: Cross multiply
5,184,514.40x = 7,763,163.60 × 3,659,964.80 - Step 4: Simplify right side
5,184,514.40x = 28,412,905,512,641.28 - Step 5: Solve for x
x = 28,412,905,512,641.28/5,184,514.40 - Step 6: Final answer
x = 5,480,340.75
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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.