Finding the Fourth Proportional to 2,861,827.84, 3,948,461.28 and 1,715,489.92
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Solution
The fourth proportional to 2,861,827.84, 3,948,461.28 and 1,715,489.92 is: 2,366,859.89
Step by Step Solution
- Step 1: Write the proportion equation
2,861,827.84 : 3,948,461.28 = 1,715,489.92 : x - Step 2: Convert to fraction form
2,861,827.84/3,948,461.28 = 1,715,489.92/x - Step 3: Cross multiply
2,861,827.84x = 3,948,461.28 × 1,715,489.92 - Step 4: Simplify right side
2,861,827.84x = 6,773,545,525,350.30 - Step 5: Solve for x
x = 6,773,545,525,350.30/2,861,827.84 - Step 6: Final answer
x = 2,366,859.89
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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.