Finding the Fourth Proportional to 2,970,733.51, 4,450,318.38 and 2,190,324.94
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Solution
The fourth proportional to 2,970,733.51, 4,450,318.38 and 2,190,324.94 is: 3,281,224.42
Step by Step Solution
- Step 1: Write the proportion equation
2,970,733.51 : 4,450,318.38 = 2,190,324.94 : x - Step 2: Convert to fraction form
2,970,733.51/4,450,318.38 = 2,190,324.94/x - Step 3: Cross multiply
2,970,733.51x = 4,450,318.38 × 2,190,324.94 - Step 4: Simplify right side
2,970,733.51x = 9,747,643,338,654.40 - Step 5: Solve for x
x = 9,747,643,338,654.40/2,970,733.51 - Step 6: Final answer
x = 3,281,224.42
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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.