Finding the Fourth Proportional to 1,618,963.44, 2,428,021.80 and 481,419.48
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Solution
The fourth proportional to 1,618,963.44, 2,428,021.80 and 481,419.48 is: 722,003.33
Step by Step Solution
- Step 1: Write the proportion equation
1,618,963.44 : 2,428,021.80 = 481,419.48 : x - Step 2: Convert to fraction form
1,618,963.44/2,428,021.80 = 481,419.48/x - Step 3: Cross multiply
1,618,963.44x = 2,428,021.80 × 481,419.48 - Step 4: Simplify right side
1,618,963.44x = 1,168,896,992,384.66 - Step 5: Solve for x
x = 1,168,896,992,384.66/1,618,963.44 - Step 6: Final answer
x = 722,003.33
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.