Finding the Fourth Proportional to 3,905,958.96, 5,858,938.08 and 1,066,146.48
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Solution
The fourth proportional to 3,905,958.96, 5,858,938.08 and 1,066,146.48 is: 1,599,219.62
Step by Step Solution
- Step 1: Write the proportion equation
3,905,958.96 : 5,858,938.08 = 1,066,146.48 : x - Step 2: Convert to fraction form
3,905,958.96/5,858,938.08 = 1,066,146.48/x - Step 3: Cross multiply
3,905,958.96x = 5,858,938.08 × 1,066,146.48 - Step 4: Simplify right side
3,905,958.96x = 6,246,486,210,529.96 - Step 5: Solve for x
x = 6,246,486,210,529.96/3,905,958.96 - Step 6: Final answer
x = 1,599,219.62
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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.