Finding the Fourth Proportional to 1,589,684.09, 2,193,780.84 and 864,531.62
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Solution
The fourth proportional to 1,589,684.09, 2,193,780.84 and 864,531.62 is: 1,193,062.76
Step by Step Solution
- Step 1: Write the proportion equation
1,589,684.09 : 2,193,780.84 = 864,531.62 : x - Step 2: Convert to fraction form
1,589,684.09/2,193,780.84 = 864,531.62/x - Step 3: Cross multiply
1,589,684.09x = 2,193,780.84 × 864,531.62 - Step 4: Simplify right side
1,589,684.09x = 1,896,592,896,892.43 - Step 5: Solve for x
x = 1,896,592,896,892.43/1,589,684.09 - Step 6: Final answer
x = 1,193,062.76
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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.