Finding the Fourth Proportional to 5,704,901.46, 8,557,286.22 and 1,386,976.14
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Solution
The fourth proportional to 5,704,901.46, 8,557,286.22 and 1,386,976.14 is: 2,080,448.17
Step by Step Solution
- Step 1: Write the proportion equation
5,704,901.46 : 8,557,286.22 = 1,386,976.14 : x - Step 2: Convert to fraction form
5,704,901.46/8,557,286.22 = 1,386,976.14/x - Step 3: Cross multiply
5,704,901.46x = 8,557,286.22 × 1,386,976.14 - Step 4: Simplify right side
5,704,901.46x = 11,868,751,810,290.79 - Step 5: Solve for x
x = 11,868,751,810,290.79/5,704,901.46 - Step 6: Final answer
x = 2,080,448.17
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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.