Finding the Fourth Proportional to 2,448,368.80, 3,672,553.20 and 2,175,431.20
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Solution
The fourth proportional to 2,448,368.80, 3,672,553.20 and 2,175,431.20 is: 3,263,146.80
Step by Step Solution
- Step 1: Write the proportion equation
2,448,368.80 : 3,672,553.20 = 2,175,431.20 : x - Step 2: Convert to fraction form
2,448,368.80/3,672,553.20 = 2,175,431.20/x - Step 3: Cross multiply
2,448,368.80x = 3,672,553.20 × 2,175,431.20 - Step 4: Simplify right side
2,448,368.80x = 7,989,386,814,939.84 - Step 5: Solve for x
x = 7,989,386,814,939.84/2,448,368.80 - Step 6: Final answer
x = 3,263,146.80
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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.