Finding the Fourth Proportional to 5,336,797.15, 7,364,692.14 and 2,889,388.63
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Solution
The fourth proportional to 5,336,797.15, 7,364,692.14 and 2,889,388.63 is: 3,987,308.70
Step by Step Solution
- Step 1: Write the proportion equation
5,336,797.15 : 7,364,692.14 = 2,889,388.63 : x - Step 2: Convert to fraction form
5,336,797.15/7,364,692.14 = 2,889,388.63/x - Step 3: Cross multiply
5,336,797.15x = 7,364,692.14 × 2,889,388.63 - Step 4: Simplify right side
5,336,797.15x = 21,279,457,695,942.91 - Step 5: Solve for x
x = 21,279,457,695,942.91/5,336,797.15 - Step 6: Final answer
x = 3,987,308.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.