Finding the Fourth Proportional to 1,822,213.55, 2,514,678.81 and 1,006,414.76
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Solution
The fourth proportional to 1,822,213.55, 2,514,678.81 and 1,006,414.76 is: 1,388,865.69
Step by Step Solution
- Step 1: Write the proportion equation
1,822,213.55 : 2,514,678.81 = 1,006,414.76 : x - Step 2: Convert to fraction form
1,822,213.55/2,514,678.81 = 1,006,414.76/x - Step 3: Cross multiply
1,822,213.55x = 2,514,678.81 × 1,006,414.76 - Step 4: Simplify right side
1,822,213.55x = 2,530,809,871,043.24 - Step 5: Solve for x
x = 2,530,809,871,043.24/1,822,213.55 - Step 6: Final answer
x = 1,388,865.69
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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.