Finding the Fourth Proportional to 1,851,916.98, 2,791,755.95 and 1,728,467.66
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Solution
The fourth proportional to 1,851,916.98, 2,791,755.95 and 1,728,467.66 is: 2,605,656.69
Step by Step Solution
- Step 1: Write the proportion equation
1,851,916.98 : 2,791,755.95 = 1,728,467.66 : x - Step 2: Convert to fraction form
1,851,916.98/2,791,755.95 = 1,728,467.66/x - Step 3: Cross multiply
1,851,916.98x = 2,791,755.95 × 1,728,467.66 - Step 4: Simplify right side
1,851,916.98x = 4,825,459,874,187.58 - Step 5: Solve for x
x = 4,825,459,874,187.58/1,851,916.98 - Step 6: Final answer
x = 2,605,656.69
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.