Finding the Fourth Proportional to 3,155,514.40, 4,727,828.40 and 1,469,159.20
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Solution
The fourth proportional to 3,155,514.40, 4,727,828.40 and 1,469,159.20 is: 2,201,204.53
Step by Step Solution
- Step 1: Write the proportion equation
3,155,514.40 : 4,727,828.40 = 1,469,159.20 : x - Step 2: Convert to fraction form
3,155,514.40/4,727,828.40 = 1,469,159.20/x - Step 3: Cross multiply
3,155,514.40x = 4,727,828.40 × 1,469,159.20 - Step 4: Simplify right side
3,155,514.40x = 6,945,932,589,881.28 - Step 5: Solve for x
x = 6,945,932,589,881.28/3,155,514.40 - Step 6: Final answer
x = 2,201,204.53
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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.