Finding the Fourth Proportional to 3,180,279.24, 4,388,902.38 and 1,822,414.68
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Solution
The fourth proportional to 3,180,279.24, 4,388,902.38 and 1,822,414.68 is: 2,514,999.32
Step by Step Solution
- Step 1: Write the proportion equation
3,180,279.24 : 4,388,902.38 = 1,822,414.68 : x - Step 2: Convert to fraction form
3,180,279.24/4,388,902.38 = 1,822,414.68/x - Step 3: Cross multiply
3,180,279.24x = 4,388,902.38 × 1,822,414.68 - Step 4: Simplify right side
3,180,279.24x = 7,998,400,126,398.94 - Step 5: Solve for x
x = 7,998,400,126,398.94/3,180,279.24 - Step 6: Final answer
x = 2,514,999.32
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.