Finding the Fourth Proportional to 4,508,475.12, 6,218,067.87 and 3,963,445.56
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Solution
The fourth proportional to 4,508,475.12, 6,218,067.87 and 3,963,445.56 is: 5,466,365.64
Step by Step Solution
- Step 1: Write the proportion equation
4,508,475.12 : 6,218,067.87 = 3,963,445.56 : x - Step 2: Convert to fraction form
4,508,475.12/6,218,067.87 = 3,963,445.56/x - Step 3: Cross multiply
4,508,475.12x = 6,218,067.87 × 3,963,445.56 - Step 4: Simplify right side
4,508,475.12x = 24,644,973,491,130.16 - Step 5: Solve for x
x = 24,644,973,491,130.16/4,508,475.12 - Step 6: Final answer
x = 5,466,365.64
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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.