Finding the Fourth Proportional to 2,640,299.39, 3,642,988.60 and 1,494,379.70
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Solution
The fourth proportional to 2,640,299.39, 3,642,988.60 and 1,494,379.70 is: 2,061,890.49
Step by Step Solution
- Step 1: Write the proportion equation
2,640,299.39 : 3,642,988.60 = 1,494,379.70 : x - Step 2: Convert to fraction form
2,640,299.39/3,642,988.60 = 1,494,379.70/x - Step 3: Cross multiply
2,640,299.39x = 3,642,988.60 × 1,494,379.70 - Step 4: Simplify right side
2,640,299.39x = 5,444,008,211,171.42 - Step 5: Solve for x
x = 5,444,008,211,171.42/2,640,299.39 - Step 6: Final answer
x = 2,061,890.49
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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.