Finding the Fourth Proportional to 1,588,489.38, 2,192,129.70 and 863,338.83
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Solution
The fourth proportional to 1,588,489.38, 2,192,129.70 and 863,338.83 is: 1,191,415.39
Step by Step Solution
- Step 1: Write the proportion equation
1,588,489.38 : 2,192,129.70 = 863,338.83 : x - Step 2: Convert to fraction form
1,588,489.38/2,192,129.70 = 863,338.83/x - Step 3: Cross multiply
1,588,489.38x = 2,192,129.70 × 863,338.83 - Step 4: Simplify right side
1,588,489.38x = 1,892,550,690,406.25 - Step 5: Solve for x
x = 1,892,550,690,406.25/1,588,489.38 - Step 6: Final answer
x = 1,191,415.39
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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.