Finding the Fourth Proportional to 4,138,175.20, 6,203,569.20 and 1,613,243.20
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Solution
The fourth proportional to 4,138,175.20, 6,203,569.20 and 1,613,243.20 is: 2,418,424.87
Step by Step Solution
- Step 1: Write the proportion equation
4,138,175.20 : 6,203,569.20 = 1,613,243.20 : x - Step 2: Convert to fraction form
4,138,175.20/6,203,569.20 = 1,613,243.20/x - Step 3: Cross multiply
4,138,175.20x = 6,203,569.20 × 1,613,243.20 - Step 4: Simplify right side
4,138,175.20x = 10,007,865,827,629.44 - Step 5: Solve for x
x = 10,007,865,827,629.44/4,138,175.20 - Step 6: Final answer
x = 2,418,424.87
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.