Finding the Fourth Proportional to 1,727,905.56, 2,589,757.08 and 1,222,612.17
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Solution
The fourth proportional to 1,727,905.56, 2,589,757.08 and 1,222,612.17 is: 1,832,431.47
Step by Step Solution
- Step 1: Write the proportion equation
1,727,905.56 : 2,589,757.08 = 1,222,612.17 : x - Step 2: Convert to fraction form
1,727,905.56/2,589,757.08 = 1,222,612.17/x - Step 3: Cross multiply
1,727,905.56x = 2,589,757.08 × 1,222,612.17 - Step 4: Simplify right side
1,727,905.56x = 3,166,268,523,351.66 - Step 5: Solve for x
x = 3,166,268,523,351.66/1,727,905.56 - Step 6: Final answer
x = 1,832,431.47
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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.