Finding the Fourth Proportional to 5,115,167.36, 7,057,877.24 and 2,939,290.14
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Solution
The fourth proportional to 5,115,167.36, 7,057,877.24 and 2,939,290.14 is: 4,055,614.90
Step by Step Solution
- Step 1: Write the proportion equation
5,115,167.36 : 7,057,877.24 = 2,939,290.14 : x - Step 2: Convert to fraction form
5,115,167.36/7,057,877.24 = 2,939,290.14/x - Step 3: Cross multiply
5,115,167.36x = 7,057,877.24 × 2,939,290.14 - Step 4: Simplify right side
5,115,167.36x = 20,745,148,980,862.41 - Step 5: Solve for x
x = 20,745,148,980,862.41/5,115,167.36 - Step 6: Final answer
x = 4,055,614.90
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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.