Finding the Fourth Proportional to 5,276,305.80, 7,914,458.70 and 2,080,369.80
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Solution
The fourth proportional to 5,276,305.80, 7,914,458.70 and 2,080,369.80 is: 3,120,554.70
Step by Step Solution
- Step 1: Write the proportion equation
5,276,305.80 : 7,914,458.70 = 2,080,369.80 : x - Step 2: Convert to fraction form
5,276,305.80/7,914,458.70 = 2,080,369.80/x - Step 3: Cross multiply
5,276,305.80x = 7,914,458.70 × 2,080,369.80 - Step 4: Simplify right side
5,276,305.80x = 16,465,000,862,827.26 - Step 5: Solve for x
x = 16,465,000,862,827.26/5,276,305.80 - Step 6: Final answer
x = 3,120,554.70
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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.