Finding the Fourth Proportional to 3,371,042.07, 5,057,262.95 and 1,127,121.75
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Solution
The fourth proportional to 3,371,042.07, 5,057,262.95 and 1,127,121.75 is: 1,690,916.62
Step by Step Solution
- Step 1: Write the proportion equation
3,371,042.07 : 5,057,262.95 = 1,127,121.75 : x - Step 2: Convert to fraction form
3,371,042.07/5,057,262.95 = 1,127,121.75/x - Step 3: Cross multiply
3,371,042.07x = 5,057,262.95 × 1,127,121.75 - Step 4: Simplify right side
3,371,042.07x = 5,700,151,060,778.55 - Step 5: Solve for x
x = 5,700,151,060,778.55/3,371,042.07 - Step 6: Final answer
x = 1,690,916.62
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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.