Finding the Fourth Proportional to 1,327,744.11, 1,989,837.27 and 1,242,713.55
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Solution
The fourth proportional to 1,327,744.11, 1,989,837.27 and 1,242,713.55 is: 1,862,405.35
Step by Step Solution
- Step 1: Write the proportion equation
1,327,744.11 : 1,989,837.27 = 1,242,713.55 : x - Step 2: Convert to fraction form
1,327,744.11/1,989,837.27 = 1,242,713.55/x - Step 3: Cross multiply
1,327,744.11x = 1,989,837.27 × 1,242,713.55 - Step 4: Simplify right side
1,327,744.11x = 2,472,797,737,724.01 - Step 5: Solve for x
x = 2,472,797,737,724.01/1,327,744.11 - Step 6: Final answer
x = 1,862,405.35
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.