Finding the Fourth Proportional to 1,335,540.99, 1,843,080.39 and 819,579.81
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Solution
The fourth proportional to 1,335,540.99, 1,843,080.39 and 819,579.81 is: 1,131,040.89
Step by Step Solution
- Step 1: Write the proportion equation
1,335,540.99 : 1,843,080.39 = 819,579.81 : x - Step 2: Convert to fraction form
1,335,540.99/1,843,080.39 = 819,579.81/x - Step 3: Cross multiply
1,335,540.99x = 1,843,080.39 × 819,579.81 - Step 4: Simplify right side
1,335,540.99x = 1,510,551,475,850.93 - Step 5: Solve for x
x = 1,510,551,475,850.93/1,335,540.99 - Step 6: Final answer
x = 1,131,040.89
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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.