Finding the Fourth Proportional to 5,649,891.60, 8,463,778.20 and 3,399,344.40
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Solution
The fourth proportional to 5,649,891.60, 8,463,778.20 and 3,399,344.40 is: 5,092,362.66
Step by Step Solution
- Step 1: Write the proportion equation
5,649,891.60 : 8,463,778.20 = 3,399,344.40 : x - Step 2: Convert to fraction form
5,649,891.60/8,463,778.20 = 3,399,344.40/x - Step 3: Cross multiply
5,649,891.60x = 8,463,778.20 × 3,399,344.40 - Step 4: Simplify right side
5,649,891.60x = 28,771,297,027,012.08 - Step 5: Solve for x
x = 28,771,297,027,012.08/5,649,891.60 - Step 6: Final answer
x = 5,092,362.66
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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.