Finding the Fourth Proportional to 1,761,663.11, 2,431,053.75 and 1,036,557.80
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Solution
The fourth proportional to 1,761,663.11, 2,431,053.75 and 1,036,557.80 is: 1,430,425.44
Step by Step Solution
- Step 1: Write the proportion equation
1,761,663.11 : 2,431,053.75 = 1,036,557.80 : x - Step 2: Convert to fraction form
1,761,663.11/2,431,053.75 = 1,036,557.80/x - Step 3: Cross multiply
1,761,663.11x = 2,431,053.75 × 1,036,557.80 - Step 4: Simplify right side
1,761,663.11x = 2,519,927,714,626.48 - Step 5: Solve for x
x = 2,519,927,714,626.48/1,761,663.11 - Step 6: Final answer
x = 1,430,425.44
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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.