Finding the Fourth Proportional to 1,993,956.40, 2,988,893.40 and 981,521.20
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Solution
The fourth proportional to 1,993,956.40, 2,988,893.40 and 981,521.20 is: 1,471,277.02
Step by Step Solution
- Step 1: Write the proportion equation
1,993,956.40 : 2,988,893.40 = 981,521.20 : x - Step 2: Convert to fraction form
1,993,956.40/2,988,893.40 = 981,521.20/x - Step 3: Cross multiply
1,993,956.40x = 2,988,893.40 × 981,521.20 - Step 4: Simplify right side
1,993,956.40x = 2,933,662,236,640.08 - Step 5: Solve for x
x = 2,933,662,236,640.08/1,993,956.40 - Step 6: Final answer
x = 1,471,277.02
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.