Finding the Fourth Proportional to 1,914,583.03, 2,642,057.57 and 1,043,399.99
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Solution
The fourth proportional to 1,914,583.03, 2,642,057.57 and 1,043,399.99 is: 1,439,855.47
Step by Step Solution
- Step 1: Write the proportion equation
1,914,583.03 : 2,642,057.57 = 1,043,399.99 : x - Step 2: Convert to fraction form
1,914,583.03/2,642,057.57 = 1,043,399.99/x - Step 3: Cross multiply
1,914,583.03x = 2,642,057.57 × 1,043,399.99 - Step 4: Simplify right side
1,914,583.03x = 2,756,722,851,331.07 - Step 5: Solve for x
x = 2,756,722,851,331.07/1,914,583.03 - Step 6: Final answer
x = 1,439,855.47
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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.