Finding the Fourth Proportional to 1,694,471.80, 2,541,707.70 and 854,663.80
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Solution
The fourth proportional to 1,694,471.80, 2,541,707.70 and 854,663.80 is: 1,281,995.70
Step by Step Solution
- Step 1: Write the proportion equation
1,694,471.80 : 2,541,707.70 = 854,663.80 : x - Step 2: Convert to fraction form
1,694,471.80/2,541,707.70 = 854,663.80/x - Step 3: Cross multiply
1,694,471.80x = 2,541,707.70 × 854,663.80 - Step 4: Simplify right side
1,694,471.80x = 2,172,305,561,371.26 - Step 5: Solve for x
x = 2,172,305,561,371.26/1,694,471.80 - Step 6: Final answer
x = 1,281,995.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.