Finding the Fourth Proportional to 5,783,877.47, 7,981,443.68 and 3,336,342.91
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Solution
The fourth proportional to 5,783,877.47, 7,981,443.68 and 3,336,342.91 is: 4,603,975.99
Step by Step Solution
- Step 1: Write the proportion equation
5,783,877.47 : 7,981,443.68 = 3,336,342.91 : x - Step 2: Convert to fraction form
5,783,877.47/7,981,443.68 = 3,336,342.91/x - Step 3: Cross multiply
5,783,877.47x = 7,981,443.68 × 3,336,342.91 - Step 4: Simplify right side
5,783,877.47x = 26,628,832,996,696.98 - Step 5: Solve for x
x = 26,628,832,996,696.98/5,783,877.47 - Step 6: Final answer
x = 4,603,975.99
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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.