Finding the Fourth Proportional to 5,431,548.19, 7,495,546.71 and 2,984,138.44
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Solution
The fourth proportional to 5,431,548.19, 7,495,546.71 and 2,984,138.44 is: 4,118,116.66
Step by Step Solution
- Step 1: Write the proportion equation
5,431,548.19 : 7,495,546.71 = 2,984,138.44 : x - Step 2: Convert to fraction form
5,431,548.19/7,495,546.71 = 2,984,138.44/x - Step 3: Cross multiply
5,431,548.19x = 7,495,546.71 × 2,984,138.44 - Step 4: Simplify right side
5,431,548.19x = 22,367,749,066,126.53 - Step 5: Solve for x
x = 22,367,749,066,126.53/5,431,548.19 - Step 6: Final answer
x = 4,118,116.66
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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.