Finding the Fourth Proportional to 2,287,502.80, 3,431,278.86 and 690,079.75
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Solution
The fourth proportional to 2,287,502.80, 3,431,278.86 and 690,079.75 is: 1,035,127.06
Step by Step Solution
- Step 1: Write the proportion equation
2,287,502.80 : 3,431,278.86 = 690,079.75 : x - Step 2: Convert to fraction form
2,287,502.80/3,431,278.86 = 690,079.75/x - Step 3: Cross multiply
2,287,502.80x = 3,431,278.86 × 690,079.75 - Step 4: Simplify right side
2,287,502.80x = 2,367,856,057,889.09 - Step 5: Solve for x
x = 2,367,856,057,889.09/2,287,502.80 - Step 6: Final answer
x = 1,035,127.06
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.