Finding the Fourth Proportional to 1,775,208.24, 2,449,654.92 and 1,011,112.56
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Solution
The fourth proportional to 1,775,208.24, 2,449,654.92 and 1,011,112.56 is: 1,395,259.89
Step by Step Solution
- Step 1: Write the proportion equation
1,775,208.24 : 2,449,654.92 = 1,011,112.56 : x - Step 2: Convert to fraction form
1,775,208.24/2,449,654.92 = 1,011,112.56/x - Step 3: Cross multiply
1,775,208.24x = 2,449,654.92 × 1,011,112.56 - Step 4: Simplify right side
1,775,208.24x = 2,476,876,857,277.80 - Step 5: Solve for x
x = 2,476,876,857,277.80/1,775,208.24 - Step 6: Final answer
x = 1,395,259.89
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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.