Finding the Fourth Proportional to 3,353,204.20, 5,029,806.30 and 2,668,235.80
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Solution
The fourth proportional to 3,353,204.20, 5,029,806.30 and 2,668,235.80 is: 4,002,353.70
Step by Step Solution
- Step 1: Write the proportion equation
3,353,204.20 : 5,029,806.30 = 2,668,235.80 : x - Step 2: Convert to fraction form
3,353,204.20/5,029,806.30 = 2,668,235.80/x - Step 3: Cross multiply
3,353,204.20x = 5,029,806.30 × 2,668,235.80 - Step 4: Simplify right side
3,353,204.20x = 13,420,709,236,725.54 - Step 5: Solve for x
x = 13,420,709,236,725.54/3,353,204.20 - Step 6: Final answer
x = 4,002,353.70
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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.