Finding the Fourth Proportional to 5,387,142.04, 7,434,414 and 2,939,911.08
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Solution
The fourth proportional to 5,387,142.04, 7,434,414 and 2,939,911.08 is: 4,057,163.51
Step by Step Solution
- Step 1: Write the proportion equation
5,387,142.04 : 7,434,414 = 2,939,911.08 : x - Step 2: Convert to fraction form
5,387,142.04/7,434,414 = 2,939,911.08/x - Step 3: Cross multiply
5,387,142.04x = 7,434,414 × 2,939,911.08 - Step 4: Simplify right side
5,387,142.04x = 21,856,516,091,907.12 - Step 5: Solve for x
x = 21,856,516,091,907.12/5,387,142.04 - Step 6: Final answer
x = 4,057,163.51
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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.