Finding the Fourth Proportional to 2,149,688.70, 3,223,755.45 and 869,759.10
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Solution
The fourth proportional to 2,149,688.70, 3,223,755.45 and 869,759.10 is: 1,304,324.03
Step by Step Solution
- Step 1: Write the proportion equation
2,149,688.70 : 3,223,755.45 = 869,759.10 : x - Step 2: Convert to fraction form
2,149,688.70/3,223,755.45 = 869,759.10/x - Step 3: Cross multiply
2,149,688.70x = 3,223,755.45 × 869,759.10 - Step 4: Simplify right side
2,149,688.70x = 2,803,890,638,812.10 - Step 5: Solve for x
x = 2,803,890,638,812.10/2,149,688.70 - Step 6: Final answer
x = 1,304,324.03
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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.