Finding the Fourth Proportional to 2,267,343.97, 3,128,391.24 and 1,287,064.96
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Solution
The fourth proportional to 2,267,343.97, 3,128,391.24 and 1,287,064.96 is: 1,775,841.16
Step by Step Solution
- Step 1: Write the proportion equation
2,267,343.97 : 3,128,391.24 = 1,287,064.96 : x - Step 2: Convert to fraction form
2,267,343.97/3,128,391.24 = 1,287,064.96/x - Step 3: Cross multiply
2,267,343.97x = 3,128,391.24 × 1,287,064.96 - Step 4: Simplify right side
2,267,343.97x = 4,026,442,746,174.95 - Step 5: Solve for x
x = 4,026,442,746,174.95/2,267,343.97 - Step 6: Final answer
x = 1,775,841.16
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.