Finding the Fourth Proportional to 4,484,653.36, 6,728,049.20 and 1,452,020.14
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Solution
The fourth proportional to 4,484,653.36, 6,728,049.20 and 1,452,020.14 is: 2,178,376.38
Step by Step Solution
- Step 1: Write the proportion equation
4,484,653.36 : 6,728,049.20 = 1,452,020.14 : x - Step 2: Convert to fraction form
4,484,653.36/6,728,049.20 = 1,452,020.14/x - Step 3: Cross multiply
4,484,653.36x = 6,728,049.20 × 1,452,020.14 - Step 4: Simplify right side
4,484,653.36x = 9,769,262,953,351 - Step 5: Solve for x
x = 9,769,262,953,351/4,484,653.36 - Step 6: Final answer
x = 2,178,376.38
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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.