Finding the Fourth Proportional to 7,203,105.88, 10,804,677.12 and 2,943,274.12
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Solution
The fourth proportional to 7,203,105.88, 10,804,677.12 and 2,943,274.12 is: 4,414,918.66
Step by Step Solution
- Step 1: Write the proportion equation
7,203,105.88 : 10,804,677.12 = 2,943,274.12 : x - Step 2: Convert to fraction form
7,203,105.88/10,804,677.12 = 2,943,274.12/x - Step 3: Cross multiply
7,203,105.88x = 10,804,677.12 × 2,943,274.12 - Step 4: Simplify right side
7,203,105.88x = 31,801,126,542,252.13 - Step 5: Solve for x
x = 31,801,126,542,252.13/7,203,105.88 - Step 6: Final answer
x = 4,414,918.66
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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.