Finding the Fourth Proportional to 2,809,693.26, 3,877,383.58 and 1,520,543.02
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Solution
The fourth proportional to 2,809,693.26, 3,877,383.58 and 1,520,543.02 is: 2,098,353.09
Step by Step Solution
- Step 1: Write the proportion equation
2,809,693.26 : 3,877,383.58 = 1,520,543.02 : x - Step 2: Convert to fraction form
2,809,693.26/3,877,383.58 = 1,520,543.02/x - Step 3: Cross multiply
2,809,693.26x = 3,877,383.58 × 1,520,543.02 - Step 4: Simplify right side
2,809,693.26x = 5,895,728,538,431.61 - Step 5: Solve for x
x = 5,895,728,538,431.61/2,809,693.26 - Step 6: Final answer
x = 2,098,353.09
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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.