Finding the Fourth Proportional to 5,514,251.80, 8,271,636.90 and 1,727,858.20
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Solution
The fourth proportional to 5,514,251.80, 8,271,636.90 and 1,727,858.20 is: 2,591,868.52
Step by Step Solution
- Step 1: Write the proportion equation
5,514,251.80 : 8,271,636.90 = 1,727,858.20 : x - Step 2: Convert to fraction form
5,514,251.80/8,271,636.90 = 1,727,858.20/x - Step 3: Cross multiply
5,514,251.80x = 8,271,636.90 × 1,727,858.20 - Step 4: Simplify right side
5,514,251.80x = 14,292,215,645,087.58 - Step 5: Solve for x
x = 14,292,215,645,087.58/5,514,251.80 - Step 6: Final answer
x = 2,591,868.52
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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.