Finding the Fourth Proportional to 5,183,998.70, 7,775,998.05 and 2,916,517.10
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Solution
The fourth proportional to 5,183,998.70, 7,775,998.05 and 2,916,517.10 is: 4,374,775.65
Step by Step Solution
- Step 1: Write the proportion equation
5,183,998.70 : 7,775,998.05 = 2,916,517.10 : x - Step 2: Convert to fraction form
5,183,998.70/7,775,998.05 = 2,916,517.10/x - Step 3: Cross multiply
5,183,998.70x = 7,775,998.05 × 2,916,517.10 - Step 4: Simplify right side
5,183,998.70x = 22,678,831,282,391.66 - Step 5: Solve for x
x = 22,678,831,282,391.66/5,183,998.70 - Step 6: Final answer
x = 4,374,775.65
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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.