Finding the Fourth Proportional to 5,684,630.40, 7,844,694.84 and 3,106,251.72
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Solution
The fourth proportional to 5,684,630.40, 7,844,694.84 and 3,106,251.72 is: 4,286,575.40
Step by Step Solution
- Step 1: Write the proportion equation
5,684,630.40 : 7,844,694.84 = 3,106,251.72 : x - Step 2: Convert to fraction form
5,684,630.40/7,844,694.84 = 3,106,251.72/x - Step 3: Cross multiply
5,684,630.40x = 7,844,694.84 × 3,106,251.72 - Step 4: Simplify right side
5,684,630.40x = 24,367,596,839,625.12 - Step 5: Solve for x
x = 24,367,596,839,625.12/5,684,630.40 - Step 6: Final answer
x = 4,286,575.40
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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.