Finding the Fourth Proportional to 1,446,805.12, 1,996,615.02 and 802,252.48
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Solution
The fourth proportional to 1,446,805.12, 1,996,615.02 and 802,252.48 is: 1,107,121.71
Step by Step Solution
- Step 1: Write the proportion equation
1,446,805.12 : 1,996,615.02 = 802,252.48 : x - Step 2: Convert to fraction form
1,446,805.12/1,996,615.02 = 802,252.48/x - Step 3: Cross multiply
1,446,805.12x = 1,996,615.02 × 802,252.48 - Step 4: Simplify right side
1,446,805.12x = 1,601,789,351,400.25 - Step 5: Solve for x
x = 1,601,789,351,400.25/1,446,805.12 - Step 6: Final answer
x = 1,107,121.71
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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.