Finding the Fourth Proportional to 2,701,663.72, 3,728,325.35 and 1,477,942.99
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Solution
The fourth proportional to 2,701,663.72, 3,728,325.35 and 1,477,942.99 is: 2,039,577.42
Step by Step Solution
- Step 1: Write the proportion equation
2,701,663.72 : 3,728,325.35 = 1,477,942.99 : x - Step 2: Convert to fraction form
2,701,663.72/3,728,325.35 = 1,477,942.99/x - Step 3: Cross multiply
2,701,663.72x = 3,728,325.35 × 1,477,942.99 - Step 4: Simplify right side
2,701,663.72x = 5,510,252,315,471.80 - Step 5: Solve for x
x = 5,510,252,315,471.80/2,701,663.72 - Step 6: Final answer
x = 2,039,577.42
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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.