Finding the Fourth Proportional to 7,372,778.97, 10,174,015.35 and 4,064,410.92
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Solution
The fourth proportional to 7,372,778.97, 10,174,015.35 and 4,064,410.92 is: 5,608,655.74
Step by Step Solution
- Step 1: Write the proportion equation
7,372,778.97 : 10,174,015.35 = 4,064,410.92 : x - Step 2: Convert to fraction form
7,372,778.97/10,174,015.35 = 4,064,410.92/x - Step 3: Cross multiply
7,372,778.97x = 10,174,015.35 × 4,064,410.92 - Step 4: Simplify right side
7,372,778.97x = 41,351,379,088,787.62 - Step 5: Solve for x
x = 41,351,379,088,787.62/7,372,778.97 - Step 6: Final answer
x = 5,608,655.74
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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.