Finding the Fourth Proportional to 1,571,906.08, 2,169,230.40 and 856,514.08
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Solution
The fourth proportional to 1,571,906.08, 2,169,230.40 and 856,514.08 is: 1,181,989.44
Step by Step Solution
- Step 1: Write the proportion equation
1,571,906.08 : 2,169,230.40 = 856,514.08 : x - Step 2: Convert to fraction form
1,571,906.08/2,169,230.40 = 856,514.08/x - Step 3: Cross multiply
1,571,906.08x = 2,169,230.40 × 856,514.08 - Step 4: Simplify right side
1,571,906.08x = 1,857,976,380,364.03 - Step 5: Solve for x
x = 1,857,976,380,364.03/1,571,906.08 - Step 6: Final answer
x = 1,181,989.44
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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.