Finding the Fourth Proportional to 4,985,112.08, 7,474,673.08 and 1,948,861.68
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Solution
The fourth proportional to 4,985,112.08, 7,474,673.08 and 1,948,861.68 is: 2,922,121.65
Step by Step Solution
- Step 1: Write the proportion equation
4,985,112.08 : 7,474,673.08 = 1,948,861.68 : x - Step 2: Convert to fraction form
4,985,112.08/7,474,673.08 = 1,948,861.68/x - Step 3: Cross multiply
4,985,112.08x = 7,474,673.08 × 1,948,861.68 - Step 4: Simplify right side
4,985,112.08x = 14,567,103,936,139.57 - Step 5: Solve for x
x = 14,567,103,936,139.57/4,985,112.08 - Step 6: Final answer
x = 2,922,121.65
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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.