Finding the Fourth Proportional to 1,721,489.61, 2,582,378.98 and 523,422.31
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Solution
The fourth proportional to 1,721,489.61, 2,582,378.98 and 523,422.31 is: 785,177.42
Step by Step Solution
- Step 1: Write the proportion equation
1,721,489.61 : 2,582,378.98 = 523,422.31 : x - Step 2: Convert to fraction form
1,721,489.61/2,582,378.98 = 523,422.31/x - Step 3: Cross multiply
1,721,489.61x = 2,582,378.98 × 523,422.31 - Step 4: Simplify right side
1,721,489.61x = 1,351,674,770,268.19 - Step 5: Solve for x
x = 1,351,674,770,268.19/1,721,489.61 - Step 6: Final answer
x = 785,177.42
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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.