Finding the Fourth Proportional to 1,539,805.76, 2,124,945.69 and 851,524.19
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Solution
The fourth proportional to 1,539,805.76, 2,124,945.69 and 851,524.19 is: 1,175,110.98
Step by Step Solution
- Step 1: Write the proportion equation
1,539,805.76 : 2,124,945.69 = 851,524.19 : x - Step 2: Convert to fraction form
1,539,805.76/2,124,945.69 = 851,524.19/x - Step 3: Cross multiply
1,539,805.76x = 2,124,945.69 × 851,524.19 - Step 4: Simplify right side
1,539,805.76x = 1,809,442,657,471.24 - Step 5: Solve for x
x = 1,809,442,657,471.24/1,539,805.76 - Step 6: Final answer
x = 1,175,110.98
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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.