Finding the Fourth Proportional to 1,542,043.68, 2,127,832.38 and 853,663.56
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Solution
The fourth proportional to 1,542,043.68, 2,127,832.38 and 853,663.56 is: 1,177,951.69
Step by Step Solution
- Step 1: Write the proportion equation
1,542,043.68 : 2,127,832.38 = 853,663.56 : x - Step 2: Convert to fraction form
1,542,043.68/2,127,832.38 = 853,663.56/x - Step 3: Cross multiply
1,542,043.68x = 2,127,832.38 × 853,663.56 - Step 4: Simplify right side
1,542,043.68x = 1,816,452,964,594.07 - Step 5: Solve for x
x = 1,816,452,964,594.07/1,542,043.68 - Step 6: Final answer
x = 1,177,951.69
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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.