Finding the Fourth Proportional to 3,305,631.60, 4,958,447.40 and 1,175,785.20
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Solution
The fourth proportional to 3,305,631.60, 4,958,447.40 and 1,175,785.20 is: 1,763,677.80
Step by Step Solution
- Step 1: Write the proportion equation
3,305,631.60 : 4,958,447.40 = 1,175,785.20 : x - Step 2: Convert to fraction form
3,305,631.60/4,958,447.40 = 1,175,785.20/x - Step 3: Cross multiply
3,305,631.60x = 4,958,447.40 × 1,175,785.20 - Step 4: Simplify right side
3,305,631.60x = 5,830,069,067,898.48 - Step 5: Solve for x
x = 5,830,069,067,898.48/3,305,631.60 - Step 6: Final answer
x = 1,763,677.80
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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.