Finding the Fourth Proportional to 5,721,527.21, 7,895,791.50 and 3,108,080.44
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Solution
The fourth proportional to 5,721,527.21, 7,895,791.50 and 3,108,080.44 is: 4,289,196.61
Step by Step Solution
- Step 1: Write the proportion equation
5,721,527.21 : 7,895,791.50 = 3,108,080.44 : x - Step 2: Convert to fraction form
5,721,527.21/7,895,791.50 = 3,108,080.44/x - Step 3: Cross multiply
5,721,527.21x = 7,895,791.50 × 3,108,080.44 - Step 4: Simplify right side
5,721,527.21x = 24,540,755,119,468.26 - Step 5: Solve for x
x = 24,540,755,119,468.26/5,721,527.21 - Step 6: Final answer
x = 4,289,196.61
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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.