Finding the Fourth Proportional to 1,467,378.30, 2,201,723.55 and 521,427.90
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Solution
The fourth proportional to 1,467,378.30, 2,201,723.55 and 521,427.90 is: 782,374.99
Step by Step Solution
- Step 1: Write the proportion equation
1,467,378.30 : 2,201,723.55 = 521,427.90 : x - Step 2: Convert to fraction form
1,467,378.30/2,201,723.55 = 521,427.90/x - Step 3: Cross multiply
1,467,378.30x = 2,201,723.55 × 521,427.90 - Step 4: Simplify right side
1,467,378.30x = 1,148,040,087,057.05 - Step 5: Solve for x
x = 1,148,040,087,057.05/1,467,378.30 - Step 6: Final answer
x = 782,374.99
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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.