Finding the Fourth Proportional to 5,279,249.09, 7,285,363.74 and 2,864,801.09
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Solution
The fourth proportional to 5,279,249.09, 7,285,363.74 and 2,864,801.09 is: 3,953,425.50
Step by Step Solution
- Step 1: Write the proportion equation
5,279,249.09 : 7,285,363.74 = 2,864,801.09 : x - Step 2: Convert to fraction form
5,279,249.09/7,285,363.74 = 2,864,801.09/x - Step 3: Cross multiply
5,279,249.09x = 7,285,363.74 × 2,864,801.09 - Step 4: Simplify right side
5,279,249.09x = 20,871,117,946,971.66 - Step 5: Solve for x
x = 20,871,117,946,971.66/5,279,249.09 - Step 6: Final answer
x = 3,953,425.50
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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.