Finding the Fourth Proportional to 1,686,620.55, 2,327,591.43 and 922,674.12
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Solution
The fourth proportional to 1,686,620.55, 2,327,591.43 and 922,674.12 is: 1,273,320.41
Step by Step Solution
- Step 1: Write the proportion equation
1,686,620.55 : 2,327,591.43 = 922,674.12 : x - Step 2: Convert to fraction form
1,686,620.55/2,327,591.43 = 922,674.12/x - Step 3: Cross multiply
1,686,620.55x = 2,327,591.43 × 922,674.12 - Step 4: Simplify right side
1,686,620.55x = 2,147,608,374,394.79 - Step 5: Solve for x
x = 2,147,608,374,394.79/1,686,620.55 - Step 6: Final answer
x = 1,273,320.41
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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.