Finding the Fourth Proportional to 2,631,605.40, 3,948,329.70 and 1,136,770.20
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Solution
The fourth proportional to 2,631,605.40, 3,948,329.70 and 1,136,770.20 is: 1,705,553.40
Step by Step Solution
- Step 1: Write the proportion equation
2,631,605.40 : 3,948,329.70 = 1,136,770.20 : x - Step 2: Convert to fraction form
2,631,605.40/3,948,329.70 = 1,136,770.20/x - Step 3: Cross multiply
2,631,605.40x = 3,948,329.70 × 1,136,770.20 - Step 4: Simplify right side
2,631,605.40x = 4,488,343,542,734.94 - Step 5: Solve for x
x = 4,488,343,542,734.94/2,631,605.40 - Step 6: Final answer
x = 1,705,553.40
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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.