Finding the Fourth Proportional to 5,693,672.70, 8,528,067.45 and 4,421,519.10
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Solution
The fourth proportional to 5,693,672.70, 8,528,067.45 and 4,421,519.10 is: 6,622,616.91
Step by Step Solution
- Step 1: Write the proportion equation
5,693,672.70 : 8,528,067.45 = 4,421,519.10 : x - Step 2: Convert to fraction form
5,693,672.70/8,528,067.45 = 4,421,519.10/x - Step 3: Cross multiply
5,693,672.70x = 8,528,067.45 × 4,421,519.10 - Step 4: Simplify right side
5,693,672.70x = 37,707,013,116,263.29 - Step 5: Solve for x
x = 37,707,013,116,263.29/5,693,672.70 - Step 6: Final answer
x = 6,622,616.91
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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.