Finding the Fourth Proportional to 1,617,660.80, 2,232,357.44 and 892,514.88
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Solution
The fourth proportional to 1,617,660.80, 2,232,357.44 and 892,514.88 is: 1,231,662.55
Step by Step Solution
- Step 1: Write the proportion equation
1,617,660.80 : 2,232,357.44 = 892,514.88 : x - Step 2: Convert to fraction form
1,617,660.80/2,232,357.44 = 892,514.88/x - Step 3: Cross multiply
1,617,660.80x = 2,232,357.44 × 892,514.88 - Step 4: Simplify right side
1,617,660.80x = 1,992,412,232,678.71 - Step 5: Solve for x
x = 1,992,412,232,678.71/1,617,660.80 - Step 6: Final answer
x = 1,231,662.55
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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.