Finding the Fourth Proportional to 1,686,623.03, 2,327,558.15 and 922,660.19
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Solution
The fourth proportional to 1,686,623.03, 2,327,558.15 and 922,660.19 is: 1,273,281.11
Step by Step Solution
- Step 1: Write the proportion equation
1,686,623.03 : 2,327,558.15 = 922,660.19 : x - Step 2: Convert to fraction form
1,686,623.03/2,327,558.15 = 922,660.19/x - Step 3: Cross multiply
1,686,623.03x = 2,327,558.15 × 922,660.19 - Step 4: Simplify right side
1,686,623.03x = 2,147,545,244,915.05 - Step 5: Solve for x
x = 2,147,545,244,915.05/1,686,623.03 - Step 6: Final answer
x = 1,273,281.11
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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.