Finding the Fourth Proportional to 2,190,810.24, 3,283,352.44 and 1,585,636.20
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Solution
The fourth proportional to 2,190,810.24, 3,283,352.44 and 1,585,636.20 is: 2,376,382.21
Step by Step Solution
- Step 1: Write the proportion equation
2,190,810.24 : 3,283,352.44 = 1,585,636.20 : x - Step 2: Convert to fraction form
2,190,810.24/3,283,352.44 = 1,585,636.20/x - Step 3: Cross multiply
2,190,810.24x = 3,283,352.44 × 1,585,636.20 - Step 4: Simplify right side
2,190,810.24x = 5,206,202,486,222.33 - Step 5: Solve for x
x = 5,206,202,486,222.33/2,190,810.24 - Step 6: Final answer
x = 2,376,382.21
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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.