Finding the Fourth Proportional to 4,807,081.62, 6,633,772.08 and 2,631,618.06
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Solution
The fourth proportional to 4,807,081.62, 6,633,772.08 and 2,631,618.06 is: 3,631,632.62
Step by Step Solution
- Step 1: Write the proportion equation
4,807,081.62 : 6,633,772.08 = 2,631,618.06 : x - Step 2: Convert to fraction form
4,807,081.62/6,633,772.08 = 2,631,618.06/x - Step 3: Cross multiply
4,807,081.62x = 6,633,772.08 × 2,631,618.06 - Step 4: Simplify right side
4,807,081.62x = 17,457,554,411,651.77 - Step 5: Solve for x
x = 17,457,554,411,651.77/4,807,081.62 - Step 6: Final answer
x = 3,631,632.62
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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.