Finding the Fourth Proportional to 6,453,611.40, 8,905,645.64 and 3,552,435.60
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Solution
The fourth proportional to 6,453,611.40, 8,905,645.64 and 3,552,435.60 is: 4,902,175.02
Step by Step Solution
- Step 1: Write the proportion equation
6,453,611.40 : 8,905,645.64 = 3,552,435.60 : x - Step 2: Convert to fraction form
6,453,611.40/8,905,645.64 = 3,552,435.60/x - Step 3: Cross multiply
6,453,611.40x = 8,905,645.64 × 3,552,435.60 - Step 4: Simplify right side
6,453,611.40x = 31,636,732,612,520.79 - Step 5: Solve for x
x = 31,636,732,612,520.79/6,453,611.40 - Step 6: Final answer
x = 4,902,175.02
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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.