Finding the Fourth Proportional to 5,304,450.40, 7,938,013.20 and 4,856,552.80
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Solution
The fourth proportional to 5,304,450.40, 7,938,013.20 and 4,856,552.80 is: 7,267,742.62
Step by Step Solution
- Step 1: Write the proportion equation
5,304,450.40 : 7,938,013.20 = 4,856,552.80 : x - Step 2: Convert to fraction form
5,304,450.40/7,938,013.20 = 4,856,552.80/x - Step 3: Cross multiply
5,304,450.40x = 7,938,013.20 × 4,856,552.80 - Step 4: Simplify right side
5,304,450.40x = 38,551,380,232,896.96 - Step 5: Solve for x
x = 38,551,380,232,896.96/5,304,450.40 - Step 6: Final answer
x = 7,267,742.62
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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.