Finding the Fourth Proportional to 1,627,123.20, 2,440,658.64 and 505,193.28
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Solution
The fourth proportional to 1,627,123.20, 2,440,658.64 and 505,193.28 is: 757,781.80
Step by Step Solution
- Step 1: Write the proportion equation
1,627,123.20 : 2,440,658.64 = 505,193.28 : x - Step 2: Convert to fraction form
1,627,123.20/2,440,658.64 = 505,193.28/x - Step 3: Cross multiply
1,627,123.20x = 2,440,658.64 × 505,193.28 - Step 4: Simplify right side
1,627,123.20x = 1,233,004,343,701.94 - Step 5: Solve for x
x = 1,233,004,343,701.94/1,627,123.20 - Step 6: Final answer
x = 757,781.80
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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.