Finding the Fourth Proportional to 1,469,122.38, 2,027,593.35 and 815,895.18
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Solution
The fourth proportional to 1,469,122.38, 2,027,593.35 and 815,895.18 is: 1,126,048.90
Step by Step Solution
- Step 1: Write the proportion equation
1,469,122.38 : 2,027,593.35 = 815,895.18 : x - Step 2: Convert to fraction form
1,469,122.38/2,027,593.35 = 815,895.18/x - Step 3: Cross multiply
1,469,122.38x = 2,027,593.35 × 815,895.18 - Step 4: Simplify right side
1,469,122.38x = 1,654,303,641,265.05 - Step 5: Solve for x
x = 1,654,303,641,265.05/1,469,122.38 - Step 6: Final answer
x = 1,126,048.90
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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.