Finding the Fourth Proportional to 1,686,502.14, 2,327,391.40 and 922,555.70
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Solution
The fourth proportional to 1,686,502.14, 2,327,391.40 and 922,555.70 is: 1,273,136.95
Step by Step Solution
- Step 1: Write the proportion equation
1,686,502.14 : 2,327,391.40 = 922,555.70 : x - Step 2: Convert to fraction form
1,686,502.14/2,327,391.40 = 922,555.70/x - Step 3: Cross multiply
1,686,502.14x = 2,327,391.40 × 922,555.70 - Step 4: Simplify right side
1,686,502.14x = 2,147,148,185,951.24 - Step 5: Solve for x
x = 2,147,148,185,951.24/1,686,502.14 - Step 6: Final answer
x = 1,273,136.95
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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.