Finding the Fourth Proportional to 5,776,611.84, 7,971,808.32 and 3,327,871.68
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Solution
The fourth proportional to 5,776,611.84, 7,971,808.32 and 3,327,871.68 is: 4,592,511.30
Step by Step Solution
- Step 1: Write the proportion equation
5,776,611.84 : 7,971,808.32 = 3,327,871.68 : x - Step 2: Convert to fraction form
5,776,611.84/7,971,808.32 = 3,327,871.68/x - Step 3: Cross multiply
5,776,611.84x = 7,971,808.32 × 3,327,871.68 - Step 4: Simplify right side
5,776,611.84x = 26,529,155,146,516.38 - Step 5: Solve for x
x = 26,529,155,146,516.38/5,776,611.84 - Step 6: Final answer
x = 4,592,511.30
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.