Finding the Fourth Proportional to 4,696,868.90, 6,481,680.03 and 2,861,326.63
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Solution
The fourth proportional to 4,696,868.90, 6,481,680.03 and 2,861,326.63 is: 3,948,631.33
Step by Step Solution
- Step 1: Write the proportion equation
4,696,868.90 : 6,481,680.03 = 2,861,326.63 : x - Step 2: Convert to fraction form
4,696,868.90/6,481,680.03 = 2,861,326.63/x - Step 3: Cross multiply
4,696,868.90x = 6,481,680.03 × 2,861,326.63 - Step 4: Simplify right side
4,696,868.90x = 18,546,203,676,978.20 - Step 5: Solve for x
x = 18,546,203,676,978.20/4,696,868.90 - Step 6: Final answer
x = 3,948,631.33
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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.