Finding the Fourth Proportional to 3,757,220.48, 5,184,966.13 and 2,038,340.54
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Solution
The fourth proportional to 3,757,220.48, 5,184,966.13 and 2,038,340.54 is: 2,812,910.96
Step by Step Solution
- Step 1: Write the proportion equation
3,757,220.48 : 5,184,966.13 = 2,038,340.54 : x - Step 2: Convert to fraction form
3,757,220.48/5,184,966.13 = 2,038,340.54/x - Step 3: Cross multiply
3,757,220.48x = 5,184,966.13 × 2,038,340.54 - Step 4: Simplify right side
3,757,220.48x = 10,568,726,669,172.47 - Step 5: Solve for x
x = 10,568,726,669,172.47/3,757,220.48 - Step 6: Final answer
x = 2,812,910.96
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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.