Finding the Fourth Proportional to 4,212,040.29, 5,812,116.08 and 2,376,391.56
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Solution
The fourth proportional to 4,212,040.29, 5,812,116.08 and 2,376,391.56 is: 3,279,138.53
Step by Step Solution
- Step 1: Write the proportion equation
4,212,040.29 : 5,812,116.08 = 2,376,391.56 : x - Step 2: Convert to fraction form
4,212,040.29/5,812,116.08 = 2,376,391.56/x - Step 3: Cross multiply
4,212,040.29x = 5,812,116.08 × 2,376,391.56 - Step 4: Simplify right side
4,212,040.29x = 13,811,863,598,252.29 - Step 5: Solve for x
x = 13,811,863,598,252.29/4,212,040.29 - Step 6: Final answer
x = 3,279,138.53
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1.5x scale
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.