Finding the Fourth Proportional to 5,193,018.68, 7,165,990.49 and 2,869,883.42
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Solution
The fourth proportional to 5,193,018.68, 7,165,990.49 and 2,869,883.42 is: 3,960,231.71
Step by Step Solution
- Step 1: Write the proportion equation
5,193,018.68 : 7,165,990.49 = 2,869,883.42 : x - Step 2: Convert to fraction form
5,193,018.68/7,165,990.49 = 2,869,883.42/x - Step 3: Cross multiply
5,193,018.68x = 7,165,990.49 × 2,869,883.42 - Step 4: Simplify right side
5,193,018.68x = 20,565,557,244,949.31 - Step 5: Solve for x
x = 20,565,557,244,949.31/5,193,018.68 - Step 6: Final answer
x = 3,960,231.71
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.