Finding the Fourth Proportional to 1,687,601.75, 2,328,946.09 and 923,655.11
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Solution
The fourth proportional to 1,687,601.75, 2,328,946.09 and 923,655.11 is: 1,274,674.52
Step by Step Solution
- Step 1: Write the proportion equation
1,687,601.75 : 2,328,946.09 = 923,655.11 : x - Step 2: Convert to fraction form
1,687,601.75/2,328,946.09 = 923,655.11/x - Step 3: Cross multiply
1,687,601.75x = 2,328,946.09 × 923,655.11 - Step 4: Simplify right side
1,687,601.75x = 2,151,142,942,989.15 - Step 5: Solve for x
x = 2,151,142,942,989.15/1,687,601.75 - Step 6: Final answer
x = 1,274,674.52
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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.