Finding the Fourth Proportional to 4,036,493.19, 5,571,710.43 and 2,405,412.03
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Solution
The fourth proportional to 4,036,493.19, 5,571,710.43 and 2,405,412.03 is: 3,320,272.99
Step by Step Solution
- Step 1: Write the proportion equation
4,036,493.19 : 5,571,710.43 = 2,405,412.03 : x - Step 2: Convert to fraction form
4,036,493.19/5,571,710.43 = 2,405,412.03/x - Step 3: Cross multiply
4,036,493.19x = 5,571,710.43 × 2,405,412.03 - Step 4: Simplify right side
4,036,493.19x = 13,402,259,295,998.47 - Step 5: Solve for x
x = 13,402,259,295,998.47/4,036,493.19 - Step 6: Final answer
x = 3,320,272.99
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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.