Finding the Fourth Proportional to 2,490,251.68, 3,459,747.64 and 2,460,391.84
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Solution
The fourth proportional to 2,490,251.68, 3,459,747.64 and 2,460,391.84 is: 3,418,262.87
Step by Step Solution
- Step 1: Write the proportion equation
2,490,251.68 : 3,459,747.64 = 2,460,391.84 : x - Step 2: Convert to fraction form
2,490,251.68/3,459,747.64 = 2,460,391.84/x - Step 3: Cross multiply
2,490,251.68x = 3,459,747.64 × 2,460,391.84 - Step 4: Simplify right side
2,490,251.68x = 8,512,334,861,915.26 - Step 5: Solve for x
x = 8,512,334,861,915.26/2,490,251.68 - Step 6: Final answer
x = 3,418,262.87
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Why These Related Problems?
These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.