Finding the Fourth Proportional to 5,491,685.43, 7,578,525.74 and 3,044,290.28
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Solution
The fourth proportional to 5,491,685.43, 7,578,525.74 and 3,044,290.28 is: 4,201,120.49
Step by Step Solution
- Step 1: Write the proportion equation
5,491,685.43 : 7,578,525.74 = 3,044,290.28 : x - Step 2: Convert to fraction form
5,491,685.43/7,578,525.74 = 3,044,290.28/x - Step 3: Cross multiply
5,491,685.43x = 7,578,525.74 × 3,044,290.28 - Step 4: Simplify right side
5,491,685.43x = 23,071,232,193,897.73 - Step 5: Solve for x
x = 23,071,232,193,897.73/5,491,685.43 - Step 6: Final answer
x = 4,201,120.49
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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.