Finding the Fourth Proportional to 5,030,728.65, 6,942,396.06 and 2,738,883.87
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Solution
The fourth proportional to 5,030,728.65, 6,942,396.06 and 2,738,883.87 is: 3,779,654.58
Step by Step Solution
- Step 1: Write the proportion equation
5,030,728.65 : 6,942,396.06 = 2,738,883.87 : x - Step 2: Convert to fraction form
5,030,728.65/6,942,396.06 = 2,738,883.87/x - Step 3: Cross multiply
5,030,728.65x = 6,942,396.06 × 2,738,883.87 - Step 4: Simplify right side
5,030,728.65x = 19,014,416,587,885.55 - Step 5: Solve for x
x = 19,014,416,587,885.55/5,030,728.65 - Step 6: Final answer
x = 3,779,654.58
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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.