Finding the Fourth Proportional to 1,554,537.91, 2,145,205.68 and 866,174.20
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Solution
The fourth proportional to 1,554,537.91, 2,145,205.68 and 866,174.20 is: 1,195,288.84
Step by Step Solution
- Step 1: Write the proportion equation
1,554,537.91 : 2,145,205.68 = 866,174.20 : x - Step 2: Convert to fraction form
1,554,537.91/2,145,205.68 = 866,174.20/x - Step 3: Cross multiply
1,554,537.91x = 2,145,205.68 × 866,174.20 - Step 4: Simplify right side
1,554,537.91x = 1,858,121,813,709.46 - Step 5: Solve for x
x = 1,858,121,813,709.46/1,554,537.91 - Step 6: Final answer
x = 1,195,288.84
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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.