Finding the Fourth Proportional to 5,133,518.28, 7,707,847.20 and 2,863,477.92
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Solution
The fourth proportional to 5,133,518.28, 7,707,847.20 and 2,863,477.92 is: 4,299,439.31
Step by Step Solution
- Step 1: Write the proportion equation
5,133,518.28 : 7,707,847.20 = 2,863,477.92 : x - Step 2: Convert to fraction form
5,133,518.28/7,707,847.20 = 2,863,477.92/x - Step 3: Cross multiply
5,133,518.28x = 7,707,847.20 × 2,863,477.92 - Step 4: Simplify right side
5,133,518.28x = 22,071,250,267,933.82 - Step 5: Solve for x
x = 22,071,250,267,933.82/5,133,518.28 - Step 6: Final answer
x = 4,299,439.31
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.