Finding the Fourth Proportional to 6,341,658.48, 9,519,214.42 and 5,616,886.68
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Solution
The fourth proportional to 6,341,658.48, 9,519,214.42 and 5,616,886.68 is: 8,431,287.94
Step by Step Solution
- Step 1: Write the proportion equation
6,341,658.48 : 9,519,214.42 = 5,616,886.68 : x - Step 2: Convert to fraction form
6,341,658.48/9,519,214.42 = 5,616,886.68/x - Step 3: Cross multiply
6,341,658.48x = 9,519,214.42 × 5,616,886.68 - Step 4: Simplify right side
6,341,658.48x = 53,468,348,679,761.92 - Step 5: Solve for x
x = 53,468,348,679,761.92/6,341,658.48 - Step 6: Final answer
x = 8,431,287.94
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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.