Finding the Fourth Proportional to 5,704,857.32, 8,557,161.16 and 1,386,930.29
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Solution
The fourth proportional to 5,704,857.32, 8,557,161.16 and 1,386,930.29 is: 2,080,365.09
Step by Step Solution
- Step 1: Write the proportion equation
5,704,857.32 : 8,557,161.16 = 1,386,930.29 : x - Step 2: Convert to fraction form
5,704,857.32/8,557,161.16 = 1,386,930.29/x - Step 3: Cross multiply
5,704,857.32x = 8,557,161.16 × 1,386,930.29 - Step 4: Simplify right side
5,704,857.32x = 11,868,185,998,651.85 - Step 5: Solve for x
x = 11,868,185,998,651.85/5,704,857.32 - Step 6: Final answer
x = 2,080,365.09
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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.