Finding the Fourth Proportional to 3,955,312.37, 5,933,560.82 and 1,431,558.11
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Solution
The fourth proportional to 3,955,312.37, 5,933,560.82 and 1,431,558.11 is: 2,147,551.53
Step by Step Solution
- Step 1: Write the proportion equation
3,955,312.37 : 5,933,560.82 = 1,431,558.11 : x - Step 2: Convert to fraction form
3,955,312.37/5,933,560.82 = 1,431,558.11/x - Step 3: Cross multiply
3,955,312.37x = 5,933,560.82 × 1,431,558.11 - Step 4: Simplify right side
3,955,312.37x = 8,494,237,120,725.36 - Step 5: Solve for x
x = 8,494,237,120,725.36/3,955,312.37 - Step 6: Final answer
x = 2,147,551.53
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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.