Finding the Fourth Proportional to 4,158,936.75, 5,739,332.72 and 2,251,224.75
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Solution
The fourth proportional to 4,158,936.75, 5,739,332.72 and 2,251,224.75 is: 3,106,690.16
Step by Step Solution
- Step 1: Write the proportion equation
4,158,936.75 : 5,739,332.72 = 2,251,224.75 : x - Step 2: Convert to fraction form
4,158,936.75/5,739,332.72 = 2,251,224.75/x - Step 3: Cross multiply
4,158,936.75x = 5,739,332.72 × 2,251,224.75 - Step 4: Simplify right side
4,158,936.75x = 12,920,527,856,492.70 - Step 5: Solve for x
x = 12,920,527,856,492.70/4,158,936.75 - Step 6: Final answer
x = 3,106,690.16
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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.