Finding the Fourth Proportional to 4,594,641.57, 6,891,960.74 and 1,228,761.09
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Solution
The fourth proportional to 4,594,641.57, 6,891,960.74 and 1,228,761.09 is: 1,843,141.20
Step by Step Solution
- Step 1: Write the proportion equation
4,594,641.57 : 6,891,960.74 = 1,228,761.09 : x - Step 2: Convert to fraction form
4,594,641.57/6,891,960.74 = 1,228,761.09/x - Step 3: Cross multiply
4,594,641.57x = 6,891,960.74 × 1,228,761.09 - Step 4: Simplify right side
4,594,641.57x = 8,468,573,184,975.80 - Step 5: Solve for x
x = 8,468,573,184,975.80/4,594,641.57 - Step 6: Final answer
x = 1,843,141.20
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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.