Finding the Fourth Proportional to 1,877,685.92, 2,591,207.88 and 1,018,245.92
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Solution
The fourth proportional to 1,877,685.92, 2,591,207.88 and 1,018,245.92 is: 1,405,180.08
Step by Step Solution
- Step 1: Write the proportion equation
1,877,685.92 : 2,591,207.88 = 1,018,245.92 : x - Step 2: Convert to fraction form
1,877,685.92/2,591,207.88 = 1,018,245.92/x - Step 3: Cross multiply
1,877,685.92x = 2,591,207.88 × 1,018,245.92 - Step 4: Simplify right side
1,877,685.92x = 2,638,486,851,681.85 - Step 5: Solve for x
x = 2,638,486,851,681.85/1,877,685.92 - Step 6: Final answer
x = 1,405,180.08
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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.