Finding the Fourth Proportional to 2,161,186.99, 2,982,184.28 and 1,194,259.61
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Solution
The fourth proportional to 2,161,186.99, 2,982,184.28 and 1,194,259.61 is: 1,647,938.04
Step by Step Solution
- Step 1: Write the proportion equation
2,161,186.99 : 2,982,184.28 = 1,194,259.61 : x - Step 2: Convert to fraction form
2,161,186.99/2,982,184.28 = 1,194,259.61/x - Step 3: Cross multiply
2,161,186.99x = 2,982,184.28 × 1,194,259.61 - Step 4: Simplify right side
2,161,186.99x = 3,561,502,235,180.93 - Step 5: Solve for x
x = 3,561,502,235,180.93/2,161,186.99 - Step 6: Final answer
x = 1,647,938.04
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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.