Finding the Fourth Proportional to 5,106,458.27, 7,661,508.42 and 2,547,446.84
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Solution
The fourth proportional to 5,106,458.27, 7,661,508.42 and 2,547,446.84 is: 3,822,078.70
Step by Step Solution
- Step 1: Write the proportion equation
5,106,458.27 : 7,661,508.42 = 2,547,446.84 : x - Step 2: Convert to fraction form
5,106,458.27/7,661,508.42 = 2,547,446.84/x - Step 3: Cross multiply
5,106,458.27x = 7,661,508.42 × 2,547,446.84 - Step 4: Simplify right side
5,106,458.27x = 19,517,285,392,591.21 - Step 5: Solve for x
x = 19,517,285,392,591.21/5,106,458.27 - Step 6: Final answer
x = 3,822,078.70
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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.