Finding the Fourth Proportional to 1,687,624.08, 2,328,921.26 and 923,677.64
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Solution
The fourth proportional to 1,687,624.08, 2,328,921.26 and 923,677.64 is: 1,274,675.15
Step by Step Solution
- Step 1: Write the proportion equation
1,687,624.08 : 2,328,921.26 = 923,677.64 : x - Step 2: Convert to fraction form
1,687,624.08/2,328,921.26 = 923,677.64/x - Step 3: Cross multiply
1,687,624.08x = 2,328,921.26 × 923,677.64 - Step 4: Simplify right side
1,687,624.08x = 2,151,172,476,919.63 - Step 5: Solve for x
x = 2,151,172,476,919.63/1,687,624.08 - Step 6: Final answer
x = 1,274,675.15
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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.