Finding the Fourth Proportional to 1,469,449.20, 2,201,452.20 and 836,482.80
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Solution
The fourth proportional to 1,469,449.20, 2,201,452.20 and 836,482.80 is: 1,253,174.93
Step by Step Solution
- Step 1: Write the proportion equation
1,469,449.20 : 2,201,452.20 = 836,482.80 : x - Step 2: Convert to fraction form
1,469,449.20/2,201,452.20 = 836,482.80/x - Step 3: Cross multiply
1,469,449.20x = 2,201,452.20 × 836,482.80 - Step 4: Simplify right side
1,469,449.20x = 1,841,476,900,322.16 - Step 5: Solve for x
x = 1,841,476,900,322.16/1,469,449.20 - Step 6: Final answer
x = 1,253,174.93
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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.