Finding the Fourth Proportional to 2,292,144.24, 3,161,841.36 and 1,431,209.82
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Solution
The fourth proportional to 2,292,144.24, 3,161,841.36 and 1,431,209.82 is: 1,974,246.79
Step by Step Solution
- Step 1: Write the proportion equation
2,292,144.24 : 3,161,841.36 = 1,431,209.82 : x - Step 2: Convert to fraction form
2,292,144.24/3,161,841.36 = 1,431,209.82/x - Step 3: Cross multiply
2,292,144.24x = 3,161,841.36 × 1,431,209.82 - Step 4: Simplify right side
2,292,144.24x = 4,525,258,403,714.16 - Step 5: Solve for x
x = 4,525,258,403,714.16/2,292,144.24 - Step 6: Final answer
x = 1,974,246.79
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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.