Finding the Fourth Proportional to 4,042,049.98, 5,576,704.14 and 2,880,679.09
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Solution
The fourth proportional to 4,042,049.98, 5,576,704.14 and 2,880,679.09 is: 3,974,392.97
Step by Step Solution
- Step 1: Write the proportion equation
4,042,049.98 : 5,576,704.14 = 2,880,679.09 : x - Step 2: Convert to fraction form
4,042,049.98/5,576,704.14 = 2,880,679.09/x - Step 3: Cross multiply
4,042,049.98x = 5,576,704.14 × 2,880,679.09 - Step 4: Simplify right side
4,042,049.98x = 16,064,695,007,214.43 - Step 5: Solve for x
x = 16,064,695,007,214.43/4,042,049.98 - Step 6: Final answer
x = 3,974,392.97
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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.