Finding the Fourth Proportional to 1,534,251.96, 2,117,295.54 and 855,115.56
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Solution
The fourth proportional to 1,534,251.96, 2,117,295.54 and 855,115.56 is: 1,180,074.99
Step by Step Solution
- Step 1: Write the proportion equation
1,534,251.96 : 2,117,295.54 = 855,115.56 : x - Step 2: Convert to fraction form
1,534,251.96/2,117,295.54 = 855,115.56/x - Step 3: Cross multiply
1,534,251.96x = 2,117,295.54 × 855,115.56 - Step 4: Simplify right side
1,534,251.96x = 1,810,532,361,372.60 - Step 5: Solve for x
x = 1,810,532,361,372.60/1,534,251.96 - Step 6: Final answer
x = 1,180,074.99
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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.