Finding the Fourth Proportional to 1,479,877.25, 2,042,245.19 and 800,828.33
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Solution
The fourth proportional to 1,479,877.25, 2,042,245.19 and 800,828.33 is: 1,105,150.99
Step by Step Solution
- Step 1: Write the proportion equation
1,479,877.25 : 2,042,245.19 = 800,828.33 : x - Step 2: Convert to fraction form
1,479,877.25/2,042,245.19 = 800,828.33/x - Step 3: Cross multiply
1,479,877.25x = 2,042,245.19 × 800,828.33 - Step 4: Simplify right side
1,479,877.25x = 1,635,487,804,958.23 - Step 5: Solve for x
x = 1,635,487,804,958.23/1,479,877.25 - Step 6: Final answer
x = 1,105,150.99
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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.