Finding the Fourth Proportional to 2,272,616.40, 3,412,861.20 and 1,209,734.40
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Solution
The fourth proportional to 2,272,616.40, 3,412,861.20 and 1,209,734.40 is: 1,816,697.09
Step by Step Solution
- Step 1: Write the proportion equation
2,272,616.40 : 3,412,861.20 = 1,209,734.40 : x - Step 2: Convert to fraction form
2,272,616.40/3,412,861.20 = 1,209,734.40/x - Step 3: Cross multiply
2,272,616.40x = 3,412,861.20 × 1,209,734.40 - Step 4: Simplify right side
2,272,616.40x = 4,128,655,596,065.28 - Step 5: Solve for x
x = 4,128,655,596,065.28/2,272,616.40 - Step 6: Final answer
x = 1,816,697.09
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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.