Finding the Fourth Proportional to 2,728,163.70, 4,092,245.55 and 2,308,259.70
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Solution
The fourth proportional to 2,728,163.70, 4,092,245.55 and 2,308,259.70 is: 3,462,389.55
Step by Step Solution
- Step 1: Write the proportion equation
2,728,163.70 : 4,092,245.55 = 2,308,259.70 : x - Step 2: Convert to fraction form
2,728,163.70/4,092,245.55 = 2,308,259.70/x - Step 3: Cross multiply
2,728,163.70x = 4,092,245.55 × 2,308,259.70 - Step 4: Simplify right side
2,728,163.70x = 9,445,965,485,569.34 - Step 5: Solve for x
x = 9,445,965,485,569.34/2,728,163.70 - Step 6: Final answer
x = 3,462,389.55
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Similar ratio
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1.5x scale
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.