Finding the Fourth Proportional to 4,750,207.40, 7,125,311.10 and 1,155,945.80
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Solution
The fourth proportional to 4,750,207.40, 7,125,311.10 and 1,155,945.80 is: 1,733,918.70
Step by Step Solution
- Step 1: Write the proportion equation
4,750,207.40 : 7,125,311.10 = 1,155,945.80 : x - Step 2: Convert to fraction form
4,750,207.40/7,125,311.10 = 1,155,945.80/x - Step 3: Cross multiply
4,750,207.40x = 7,125,311.10 × 1,155,945.80 - Step 4: Simplify right side
4,750,207.40x = 8,236,473,439,738.38 - Step 5: Solve for x
x = 8,236,473,439,738.38/4,750,207.40 - Step 6: Final answer
x = 1,733,918.70
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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.