Finding the Fourth Proportional to 1,571,640.96, 2,168,879.04 and 856,248.96
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Solution
The fourth proportional to 1,571,640.96, 2,168,879.04 and 856,248.96 is: 1,181,631.47
Step by Step Solution
- Step 1: Write the proportion equation
1,571,640.96 : 2,168,879.04 = 856,248.96 : x - Step 2: Convert to fraction form
1,571,640.96/2,168,879.04 = 856,248.96/x - Step 3: Cross multiply
1,571,640.96x = 2,168,879.04 × 856,248.96 - Step 4: Simplify right side
1,571,640.96x = 1,857,100,422,365.80 - Step 5: Solve for x
x = 1,857,100,422,365.80/1,571,640.96 - Step 6: Final answer
x = 1,181,631.47
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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.