Finding the Fourth Proportional to 7,269,505.79, 10,031,874.91 and 3,961,796.06
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Solution
The fourth proportional to 7,269,505.79, 10,031,874.91 and 3,961,796.06 is: 5,467,255.09
Step by Step Solution
- Step 1: Write the proportion equation
7,269,505.79 : 10,031,874.91 = 3,961,796.06 : x - Step 2: Convert to fraction form
7,269,505.79/10,031,874.91 = 3,961,796.06/x - Step 3: Cross multiply
7,269,505.79x = 10,031,874.91 × 3,961,796.06 - Step 4: Simplify right side
7,269,505.79x = 39,744,242,508,026.05 - Step 5: Solve for x
x = 39,744,242,508,026.05/7,269,505.79 - Step 6: Final answer
x = 5,467,255.09
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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.