Finding the Fourth Proportional to 4,042,107.72, 5,578,118.67 and 2,206,567.26
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Solution
The fourth proportional to 4,042,107.72, 5,578,118.67 and 2,206,567.26 is: 3,045,068.29
Step by Step Solution
- Step 1: Write the proportion equation
4,042,107.72 : 5,578,118.67 = 2,206,567.26 : x - Step 2: Convert to fraction form
4,042,107.72/5,578,118.67 = 2,206,567.26/x - Step 3: Cross multiply
4,042,107.72x = 5,578,118.67 × 2,206,567.26 - Step 4: Simplify right side
4,042,107.72x = 12,308,494,029,616.74 - Step 5: Solve for x
x = 12,308,494,029,616.74/4,042,107.72 - Step 6: Final answer
x = 3,045,068.29
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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.