Finding the Fourth Proportional to 4,829,728.80, 7,244,593.20 and 1,283,872.80
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Solution
The fourth proportional to 4,829,728.80, 7,244,593.20 and 1,283,872.80 is: 1,925,809.20
Step by Step Solution
- Step 1: Write the proportion equation
4,829,728.80 : 7,244,593.20 = 1,283,872.80 : x - Step 2: Convert to fraction form
4,829,728.80/7,244,593.20 = 1,283,872.80/x - Step 3: Cross multiply
4,829,728.80x = 7,244,593.20 × 1,283,872.80 - Step 4: Simplify right side
4,829,728.80x = 9,301,136,156,544.96 - Step 5: Solve for x
x = 9,301,136,156,544.96/4,829,728.80 - Step 6: Final answer
x = 1,925,809.20
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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.