Finding the Fourth Proportional to 5,474,508.78, 8,211,235.41 and 1,686,974.70
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Solution
The fourth proportional to 5,474,508.78, 8,211,235.41 and 1,686,974.70 is: 2,530,299.42
Step by Step Solution
- Step 1: Write the proportion equation
5,474,508.78 : 8,211,235.41 = 1,686,974.70 : x - Step 2: Convert to fraction form
5,474,508.78/8,211,235.41 = 1,686,974.70/x - Step 3: Cross multiply
5,474,508.78x = 8,211,235.41 × 1,686,974.70 - Step 4: Simplify right side
5,474,508.78x = 13,852,146,392,414.13 - Step 5: Solve for x
x = 13,852,146,392,414.13/5,474,508.78 - Step 6: Final answer
x = 2,530,299.42
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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.