Finding the Fourth Proportional to 2,173,631.49, 3,259,398.56 and 911,120.13
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Solution
The fourth proportional to 2,173,631.49, 3,259,398.56 and 911,120.13 is: 1,366,240.62
Step by Step Solution
- Step 1: Write the proportion equation
2,173,631.49 : 3,259,398.56 = 911,120.13 : x - Step 2: Convert to fraction form
2,173,631.49/3,259,398.56 = 911,120.13/x - Step 3: Cross multiply
2,173,631.49x = 3,259,398.56 × 911,120.13 - Step 4: Simplify right side
2,173,631.49x = 2,969,703,635,153.41 - Step 5: Solve for x
x = 2,969,703,635,153.41/2,173,631.49 - Step 6: Final answer
x = 1,366,240.62
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1.5x scale
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.