Finding the Fourth Proportional to 1,528,895.90, 2,293,344.26 and 449,408.50
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Solution
The fourth proportional to 1,528,895.90, 2,293,344.26 and 449,408.50 is: 674,112.87
Step by Step Solution
- Step 1: Write the proportion equation
1,528,895.90 : 2,293,344.26 = 449,408.50 : x - Step 2: Convert to fraction form
1,528,895.90/2,293,344.26 = 449,408.50/x - Step 3: Cross multiply
1,528,895.90x = 2,293,344.26 × 449,408.50 - Step 4: Simplify right side
1,528,895.90x = 1,030,648,403,870.21 - Step 5: Solve for x
x = 1,030,648,403,870.21/1,528,895.90 - Step 6: Final answer
x = 674,112.87
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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.