Finding the Fourth Proportional to 1,687,623.58, 2,328,920.57 and 923,677.14
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Solution
The fourth proportional to 1,687,623.58, 2,328,920.57 and 923,677.14 is: 1,274,674.47
Step by Step Solution
- Step 1: Write the proportion equation
1,687,623.58 : 2,328,920.57 = 923,677.14 : x - Step 2: Convert to fraction form
1,687,623.58/2,328,920.57 = 923,677.14/x - Step 3: Cross multiply
1,687,623.58x = 2,328,920.57 × 923,677.14 - Step 4: Simplify right side
1,687,623.58x = 2,151,170,691,384.77 - Step 5: Solve for x
x = 2,151,170,691,384.77/1,687,623.58 - Step 6: Final answer
x = 1,274,674.47
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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.