Finding the Fourth Proportional to 4,592,815.92, 6,889,575.96 and 1,398,214.80
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Solution
The fourth proportional to 4,592,815.92, 6,889,575.96 and 1,398,214.80 is: 2,097,429.39
Step by Step Solution
- Step 1: Write the proportion equation
4,592,815.92 : 6,889,575.96 = 1,398,214.80 : x - Step 2: Convert to fraction form
4,592,815.92/6,889,575.96 = 1,398,214.80/x - Step 3: Cross multiply
4,592,815.92x = 6,889,575.96 × 1,398,214.80 - Step 4: Simplify right side
4,592,815.92x = 9,633,107,072,996.21 - Step 5: Solve for x
x = 9,633,107,072,996.21/4,592,815.92 - Step 6: Final answer
x = 2,097,429.39
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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.