Finding the Fourth Proportional to 5,964,837.12, 8,231,569.92 and 3,386,465.28
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Solution
The fourth proportional to 5,964,837.12, 8,231,569.92 and 3,386,465.28 is: 4,673,375.85
Step by Step Solution
- Step 1: Write the proportion equation
5,964,837.12 : 8,231,569.92 = 3,386,465.28 : x - Step 2: Convert to fraction form
5,964,837.12/8,231,569.92 = 3,386,465.28/x - Step 3: Cross multiply
5,964,837.12x = 8,231,569.92 × 3,386,465.28 - Step 4: Simplify right side
5,964,837.12x = 27,875,925,733,972.38 - Step 5: Solve for x
x = 27,875,925,733,972.38/5,964,837.12 - Step 6: Final answer
x = 4,673,375.85
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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.