Finding the Fourth Proportional to 3,743,428.70, 5,165,935.08 and 2,024,549.12
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Solution
The fourth proportional to 3,743,428.70, 5,165,935.08 and 2,024,549.12 is: 2,793,879.66
Step by Step Solution
- Step 1: Write the proportion equation
3,743,428.70 : 5,165,935.08 = 2,024,549.12 : x - Step 2: Convert to fraction form
3,743,428.70/5,165,935.08 = 2,024,549.12/x - Step 3: Cross multiply
3,743,428.70x = 5,165,935.08 × 2,024,549.12 - Step 4: Simplify right side
3,743,428.70x = 10,458,689,320,191.13 - Step 5: Solve for x
x = 10,458,689,320,191.13/3,743,428.70 - Step 6: Final answer
x = 2,793,879.66
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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.