Finding the Fourth Proportional to 2,532,138.05, 3,798,190.67 and 638,881.31
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Solution
The fourth proportional to 2,532,138.05, 3,798,190.67 and 638,881.31 is: 958,317.82
Step by Step Solution
- Step 1: Write the proportion equation
2,532,138.05 : 3,798,190.67 = 638,881.31 : x - Step 2: Convert to fraction form
2,532,138.05/3,798,190.67 = 638,881.31/x - Step 3: Cross multiply
2,532,138.05x = 3,798,190.67 × 638,881.31 - Step 4: Simplify right side
2,532,138.05x = 2,426,593,008,694.02 - Step 5: Solve for x
x = 2,426,593,008,694.02/2,532,138.05 - Step 6: Final answer
x = 958,317.82
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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.