Finding the Fourth Proportional to 5,162,506.56, 7,124,431.65 and 2,839,497.03
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Solution
The fourth proportional to 5,162,506.56, 7,124,431.65 and 2,839,497.03 is: 3,918,600.83
Step by Step Solution
- Step 1: Write the proportion equation
5,162,506.56 : 7,124,431.65 = 2,839,497.03 : x - Step 2: Convert to fraction form
5,162,506.56/7,124,431.65 = 2,839,497.03/x - Step 3: Cross multiply
5,162,506.56x = 7,124,431.65 × 2,839,497.03 - Step 4: Simplify right side
5,162,506.56x = 20,229,802,510,613 - Step 5: Solve for x
x = 20,229,802,510,613/5,162,506.56 - Step 6: Final answer
x = 3,918,600.83
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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.