Finding the Fourth Proportional to 5,449,232.62, 7,519,376.10 and 3,355,742.53
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Solution
The fourth proportional to 5,449,232.62, 7,519,376.10 and 3,355,742.53 is: 4,630,576.81
Step by Step Solution
- Step 1: Write the proportion equation
5,449,232.62 : 7,519,376.10 = 3,355,742.53 : x - Step 2: Convert to fraction form
5,449,232.62/7,519,376.10 = 3,355,742.53/x - Step 3: Cross multiply
5,449,232.62x = 7,519,376.10 × 3,355,742.53 - Step 4: Simplify right side
5,449,232.62x = 25,233,090,177,835.53 - Step 5: Solve for x
x = 25,233,090,177,835.53/5,449,232.62 - Step 6: Final answer
x = 4,630,576.81
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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.