Finding the Fourth Proportional to 5,535,855.09, 7,639,484.79 and 3,088,466.62
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Solution
The fourth proportional to 5,535,855.09, 7,639,484.79 and 3,088,466.62 is: 4,262,086.59
Step by Step Solution
- Step 1: Write the proportion equation
5,535,855.09 : 7,639,484.79 = 3,088,466.62 : x - Step 2: Convert to fraction form
5,535,855.09/7,639,484.79 = 3,088,466.62/x - Step 3: Cross multiply
5,535,855.09x = 7,639,484.79 × 3,088,466.62 - Step 4: Simplify right side
5,535,855.09x = 23,594,293,760,395.75 - Step 5: Solve for x
x = 23,594,293,760,395.75/5,535,855.09 - Step 6: Final answer
x = 4,262,086.59
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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.