Finding the Fourth Proportional to 3,086,617.64, 4,259,524.02 and 1,709,963.96
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Solution
The fourth proportional to 3,086,617.64, 4,259,524.02 and 1,709,963.96 is: 2,359,745.65
Step by Step Solution
- Step 1: Write the proportion equation
3,086,617.64 : 4,259,524.02 = 1,709,963.96 : x - Step 2: Convert to fraction form
3,086,617.64/4,259,524.02 = 1,709,963.96/x - Step 3: Cross multiply
3,086,617.64x = 4,259,524.02 × 1,709,963.96 - Step 4: Simplify right side
3,086,617.64x = 7,283,632,560,954.32 - Step 5: Solve for x
x = 7,283,632,560,954.32/3,086,617.64 - Step 6: Final answer
x = 2,359,745.65
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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.