Finding the Fourth Proportional to 2,198,042.19, 3,291,385.13 and 1,517,031.05
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Solution
The fourth proportional to 2,198,042.19, 3,291,385.13 and 1,517,031.05 is: 2,271,627.65
Step by Step Solution
- Step 1: Write the proportion equation
2,198,042.19 : 3,291,385.13 = 1,517,031.05 : x - Step 2: Convert to fraction form
2,198,042.19/3,291,385.13 = 1,517,031.05/x - Step 3: Cross multiply
2,198,042.19x = 3,291,385.13 × 1,517,031.05 - Step 4: Simplify right side
2,198,042.19x = 4,993,133,415,676.21 - Step 5: Solve for x
x = 4,993,133,415,676.21/2,198,042.19 - Step 6: Final answer
x = 2,271,627.65
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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.