Finding the Fourth Proportional to 3,757,223.12, 5,184,977.95 and 2,038,343.63
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Solution
The fourth proportional to 3,757,223.12, 5,184,977.95 and 2,038,343.63 is: 2,812,919.66
Step by Step Solution
- Step 1: Write the proportion equation
3,757,223.12 : 5,184,977.95 = 2,038,343.63 : x - Step 2: Convert to fraction form
3,757,223.12/5,184,977.95 = 2,038,343.63/x - Step 3: Cross multiply
3,757,223.12x = 5,184,977.95 × 2,038,343.63 - Step 4: Simplify right side
3,757,223.12x = 10,568,766,783,939.54 - Step 5: Solve for x
x = 10,568,766,783,939.54/3,757,223.12 - Step 6: Final answer
x = 2,812,919.66
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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.