Finding the Fourth Proportional to 1,939,560.48, 2,676,619.68 and 1,080,142.38
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Solution
The fourth proportional to 1,939,560.48, 2,676,619.68 and 1,080,142.38 is: 1,490,611.08
Step by Step Solution
- Step 1: Write the proportion equation
1,939,560.48 : 2,676,619.68 = 1,080,142.38 : x - Step 2: Convert to fraction form
1,939,560.48/2,676,619.68 = 1,080,142.38/x - Step 3: Cross multiply
1,939,560.48x = 2,676,619.68 × 1,080,142.38 - Step 4: Simplify right side
1,939,560.48x = 2,891,130,351,510.04 - Step 5: Solve for x
x = 2,891,130,351,510.04/1,939,560.48 - Step 6: Final answer
x = 1,490,611.08
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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.