Finding the Fourth Proportional to 1,627,294.56, 2,441,105.84 and 429,299.68
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Solution
The fourth proportional to 1,627,294.56, 2,441,105.84 and 429,299.68 is: 643,992.79
Step by Step Solution
- Step 1: Write the proportion equation
1,627,294.56 : 2,441,105.84 = 429,299.68 : x - Step 2: Convert to fraction form
1,627,294.56/2,441,105.84 = 429,299.68/x - Step 3: Cross multiply
1,627,294.56x = 2,441,105.84 × 429,299.68 - Step 4: Simplify right side
1,627,294.56x = 1,047,965,955,958.13 - Step 5: Solve for x
x = 1,047,965,955,958.13/1,627,294.56 - Step 6: Final answer
x = 643,992.79
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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.