Finding the Fourth Proportional to 1,847,453.44, 2,548,546.56 and 1,122,108.16
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Solution
The fourth proportional to 1,847,453.44, 2,548,546.56 and 1,122,108.16 is: 1,547,938.82
Step by Step Solution
- Step 1: Write the proportion equation
1,847,453.44 : 2,548,546.56 = 1,122,108.16 : x - Step 2: Convert to fraction form
1,847,453.44/2,548,546.56 = 1,122,108.16/x - Step 3: Cross multiply
1,847,453.44x = 2,548,546.56 × 1,122,108.16 - Step 4: Simplify right side
1,847,453.44x = 2,859,744,891,115.93 - Step 5: Solve for x
x = 2,859,744,891,115.93/1,847,453.44 - Step 6: Final answer
x = 1,547,938.82
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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.