Finding the Fourth Proportional to 4,704,198.36, 7,055,455.80 and 1,245,961.68
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Solution
The fourth proportional to 4,704,198.36, 7,055,455.80 and 1,245,961.68 is: 1,868,719.58
Step by Step Solution
- Step 1: Write the proportion equation
4,704,198.36 : 7,055,455.80 = 1,245,961.68 : x - Step 2: Convert to fraction form
4,704,198.36/7,055,455.80 = 1,245,961.68/x - Step 3: Cross multiply
4,704,198.36x = 7,055,455.80 × 1,245,961.68 - Step 4: Simplify right side
4,704,198.36x = 8,790,827,561,733.74 - Step 5: Solve for x
x = 8,790,827,561,733.74/4,704,198.36 - Step 6: Final answer
x = 1,868,719.58
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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.