Finding the Fourth Proportional to 5,240,688.68, 7,848,435.58 and 2,990,003.24
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Solution
The fourth proportional to 5,240,688.68, 7,848,435.58 and 2,990,003.24 is: 4,477,817.56
Step by Step Solution
- Step 1: Write the proportion equation
5,240,688.68 : 7,848,435.58 = 2,990,003.24 : x - Step 2: Convert to fraction form
5,240,688.68/7,848,435.58 = 2,990,003.24/x - Step 3: Cross multiply
5,240,688.68x = 7,848,435.58 × 2,990,003.24 - Step 4: Simplify right side
5,240,688.68x = 23,466,847,813,131.28 - Step 5: Solve for x
x = 23,466,847,813,131.28/5,240,688.68 - Step 6: Final answer
x = 4,477,817.56
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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.