Finding the Fourth Proportional to 5,284,478.14, 7,292,593.83 and 3,109,103.26
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Solution
The fourth proportional to 5,284,478.14, 7,292,593.83 and 3,109,103.26 is: 4,290,570.73
Step by Step Solution
- Step 1: Write the proportion equation
5,284,478.14 : 7,292,593.83 = 3,109,103.26 : x - Step 2: Convert to fraction form
5,284,478.14/7,292,593.83 = 3,109,103.26/x - Step 3: Cross multiply
5,284,478.14x = 7,292,593.83 × 3,109,103.26 - Step 4: Simplify right side
5,284,478.14x = 22,673,427,250,708.88 - Step 5: Solve for x
x = 22,673,427,250,708.88/5,284,478.14 - Step 6: Final answer
x = 4,290,570.73
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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.