Finding the Fourth Proportional to 5,372,467.14, 7,413,630.42 and 3,049,407.18
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Solution
The fourth proportional to 5,372,467.14, 7,413,630.42 and 3,049,407.18 is: 4,207,969.49
Step by Step Solution
- Step 1: Write the proportion equation
5,372,467.14 : 7,413,630.42 = 3,049,407.18 : x - Step 2: Convert to fraction form
5,372,467.14/7,413,630.42 = 3,049,407.18/x - Step 3: Cross multiply
5,372,467.14x = 7,413,630.42 × 3,049,407.18 - Step 4: Simplify right side
5,372,467.14x = 22,607,177,832,614.42 - Step 5: Solve for x
x = 22,607,177,832,614.42/5,372,467.14 - Step 6: Final answer
x = 4,207,969.49
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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.