Finding the Fourth Proportional to 5,344,099.34, 7,374,872.81 and 2,896,720.08
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Solution
The fourth proportional to 5,344,099.34, 7,374,872.81 and 2,896,720.08 is: 3,997,482.23
Step by Step Solution
- Step 1: Write the proportion equation
5,344,099.34 : 7,374,872.81 = 2,896,720.08 : x - Step 2: Convert to fraction form
5,344,099.34/7,374,872.81 = 2,896,720.08/x - Step 3: Cross multiply
5,344,099.34x = 7,374,872.81 × 2,896,720.08 - Step 4: Simplify right side
5,344,099.34x = 21,362,942,135,759.05 - Step 5: Solve for x
x = 21,362,942,135,759.05/5,344,099.34 - Step 6: Final answer
x = 3,997,482.23
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1.5x scale
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.