Finding the Fourth Proportional to 3,887,823.12, 5,827,006.68 and 2,750,912.88
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Solution
The fourth proportional to 3,887,823.12, 5,827,006.68 and 2,750,912.88 is: 4,123,023.92
Step by Step Solution
- Step 1: Write the proportion equation
3,887,823.12 : 5,827,006.68 = 2,750,912.88 : x - Step 2: Convert to fraction form
3,887,823.12/5,827,006.68 = 2,750,912.88/x - Step 3: Cross multiply
3,887,823.12x = 5,827,006.68 × 2,750,912.88 - Step 4: Simplify right side
3,887,823.12x = 16,029,587,727,858.04 - Step 5: Solve for x
x = 16,029,587,727,858.04/3,887,823.12 - Step 6: Final answer
x = 4,123,023.92
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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.