Finding the Fourth Proportional to 1,981,855.44, 2,972,536.92 and 634,158
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Solution
The fourth proportional to 1,981,855.44, 2,972,536.92 and 634,158 is: 951,158.21
Step by Step Solution
- Step 1: Write the proportion equation
1,981,855.44 : 2,972,536.92 = 634,158 : x - Step 2: Convert to fraction form
1,981,855.44/2,972,536.92 = 634,158/x - Step 3: Cross multiply
1,981,855.44x = 2,972,536.92 × 634,158 - Step 4: Simplify right side
1,981,855.44x = 1,885,058,068,113.36 - Step 5: Solve for x
x = 1,885,058,068,113.36/1,981,855.44 - Step 6: Final answer
x = 951,158.21
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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.