Finding the Fourth Proportional to 1,631,381.18, 2,251,243.41 and 906,274.55
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Solution
The fourth proportional to 1,631,381.18, 2,251,243.41 and 906,274.55 is: 1,250,624.09
Step by Step Solution
- Step 1: Write the proportion equation
1,631,381.18 : 2,251,243.41 = 906,274.55 : x - Step 2: Convert to fraction form
1,631,381.18/2,251,243.41 = 906,274.55/x - Step 3: Cross multiply
1,631,381.18x = 2,251,243.41 × 906,274.55 - Step 4: Simplify right side
1,631,381.18x = 2,040,244,597,082.00 - Step 5: Solve for x
x = 2,040,244,597,082.00/1,631,381.18 - Step 6: Final answer
x = 1,250,624.09
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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.