Finding the Fourth Proportional to 2,168,117.13, 3,250,915.07 and 820,383.84
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Solution
The fourth proportional to 2,168,117.13, 3,250,915.07 and 820,383.84 is: 1,230,098.76
Step by Step Solution
- Step 1: Write the proportion equation
2,168,117.13 : 3,250,915.07 = 820,383.84 : x - Step 2: Convert to fraction form
2,168,117.13/3,250,915.07 = 820,383.84/x - Step 3: Cross multiply
2,168,117.13x = 3,250,915.07 × 820,383.84 - Step 4: Simplify right side
2,168,117.13x = 2,666,998,188,640.47 - Step 5: Solve for x
x = 2,666,998,188,640.47/2,168,117.13 - Step 6: Final answer
x = 1,230,098.76
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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.