Finding the Fourth Proportional to 5,517,691.20, 8,276,536.80 and 2,683,339.20
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Solution
The fourth proportional to 5,517,691.20, 8,276,536.80 and 2,683,339.20 is: 4,025,008.80
Step by Step Solution
- Step 1: Write the proportion equation
5,517,691.20 : 8,276,536.80 = 2,683,339.20 : x - Step 2: Convert to fraction form
5,517,691.20/8,276,536.80 = 2,683,339.20/x - Step 3: Cross multiply
5,517,691.20x = 8,276,536.80 × 2,683,339.20 - Step 4: Simplify right side
5,517,691.20x = 22,208,755,635,682.56 - Step 5: Solve for x
x = 22,208,755,635,682.56/5,517,691.20 - Step 6: Final answer
x = 4,025,008.80
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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.