Finding the Fourth Proportional to 3,051,615.39, 4,578,220.71 and 1,770,991.79
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Solution
The fourth proportional to 3,051,615.39, 4,578,220.71 and 1,770,991.79 is: 2,656,950.59
Step by Step Solution
- Step 1: Write the proportion equation
3,051,615.39 : 4,578,220.71 = 1,770,991.79 : x - Step 2: Convert to fraction form
3,051,615.39/4,578,220.71 = 1,770,991.79/x - Step 3: Cross multiply
3,051,615.39x = 4,578,220.71 × 1,770,991.79 - Step 4: Simplify right side
3,051,615.39x = 8,107,991,308,081.91 - Step 5: Solve for x
x = 8,107,991,308,081.91/3,051,615.39 - Step 6: Final answer
x = 2,656,950.59
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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.