Finding the Fourth Proportional to 1,686,623.55, 2,327,595.57 and 922,677.12
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Solution
The fourth proportional to 1,686,623.55, 2,327,595.57 and 922,677.12 is: 1,273,324.55
Step by Step Solution
- Step 1: Write the proportion equation
1,686,623.55 : 2,327,595.57 = 922,677.12 : x - Step 2: Convert to fraction form
1,686,623.55/2,327,595.57 = 922,677.12/x - Step 3: Cross multiply
1,686,623.55x = 2,327,595.57 × 922,677.12 - Step 4: Simplify right side
1,686,623.55x = 2,147,619,177,052.36 - Step 5: Solve for x
x = 2,147,619,177,052.36/1,686,623.55 - Step 6: Final answer
x = 1,273,324.55
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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.