Finding the Fourth Proportional to 3,531,683.20, 5,297,524.80 and 872,291.20
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Solution
The fourth proportional to 3,531,683.20, 5,297,524.80 and 872,291.20 is: 1,308,436.80
Step by Step Solution
- Step 1: Write the proportion equation
3,531,683.20 : 5,297,524.80 = 872,291.20 : x - Step 2: Convert to fraction form
3,531,683.20/5,297,524.80 = 872,291.20/x - Step 3: Cross multiply
3,531,683.20x = 5,297,524.80 × 872,291.20 - Step 4: Simplify right side
3,531,683.20x = 4,620,984,264,821.76 - Step 5: Solve for x
x = 4,620,984,264,821.76/3,531,683.20 - Step 6: Final answer
x = 1,308,436.80
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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.