Finding the Fourth Proportional to 5,431,249.66, 7,495,129.14 and 2,983,865.44
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Solution
The fourth proportional to 5,431,249.66, 7,495,129.14 and 2,983,865.44 is: 4,117,736.84
Step by Step Solution
- Step 1: Write the proportion equation
5,431,249.66 : 7,495,129.14 = 2,983,865.44 : x - Step 2: Convert to fraction form
5,431,249.66/7,495,129.14 = 2,983,865.44/x - Step 3: Cross multiply
5,431,249.66x = 7,495,129.14 × 2,983,865.44 - Step 4: Simplify right side
5,431,249.66x = 22,364,456,809,182.92 - Step 5: Solve for x
x = 22,364,456,809,182.92/5,431,249.66 - Step 6: Final answer
x = 4,117,736.84
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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.