Finding the Fourth Proportional to 1,321,129.96, 1,981,187.82 and 562,490.44
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Solution
The fourth proportional to 1,321,129.96, 1,981,187.82 and 562,490.44 is: 843,519.75
Step by Step Solution
- Step 1: Write the proportion equation
1,321,129.96 : 1,981,187.82 = 562,490.44 : x - Step 2: Convert to fraction form
1,321,129.96/1,981,187.82 = 562,490.44/x - Step 3: Cross multiply
1,321,129.96x = 1,981,187.82 × 562,490.44 - Step 4: Simplify right side
1,321,129.96x = 1,114,399,208,594.44 - Step 5: Solve for x
x = 1,114,399,208,594.44/1,321,129.96 - Step 6: Final answer
x = 843,519.75
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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.