Finding the Fourth Proportional to 5,202,446.39, 7,788,121.77 and 3,146,886.18
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Solution
The fourth proportional to 5,202,446.39, 7,788,121.77 and 3,146,886.18 is: 4,710,924.62
Step by Step Solution
- Step 1: Write the proportion equation
5,202,446.39 : 7,788,121.77 = 3,146,886.18 : x - Step 2: Convert to fraction form
5,202,446.39/7,788,121.77 = 3,146,886.18/x - Step 3: Cross multiply
5,202,446.39x = 7,788,121.77 × 3,146,886.18 - Step 4: Simplify right side
5,202,446.39x = 24,508,332,766,170.14 - Step 5: Solve for x
x = 24,508,332,766,170.14/5,202,446.39 - Step 6: Final answer
x = 4,710,924.62
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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.