Finding the Fourth Proportional to 3,678,851.61, 5,514,567.87 and 2,313,601.02
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Solution
The fourth proportional to 3,678,851.61, 5,514,567.87 and 2,313,601.02 is: 3,468,068.63
Step by Step Solution
- Step 1: Write the proportion equation
3,678,851.61 : 5,514,567.87 = 2,313,601.02 : x - Step 2: Convert to fraction form
3,678,851.61/5,514,567.87 = 2,313,601.02/x - Step 3: Cross multiply
3,678,851.61x = 5,514,567.87 × 2,313,601.02 - Step 4: Simplify right side
3,678,851.61x = 12,758,509,848,891.23 - Step 5: Solve for x
x = 12,758,509,848,891.23/3,678,851.61 - Step 6: Final answer
x = 3,468,068.63
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.