Finding the Fourth Proportional to 5,780,305.62, 7,976,715.03 and 3,201,929.82
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Solution
The fourth proportional to 5,780,305.62, 7,976,715.03 and 3,201,929.82 is: 4,418,604.03
Step by Step Solution
- Step 1: Write the proportion equation
5,780,305.62 : 7,976,715.03 = 3,201,929.82 : x - Step 2: Convert to fraction form
5,780,305.62/7,976,715.03 = 3,201,929.82/x - Step 3: Cross multiply
5,780,305.62x = 7,976,715.03 × 3,201,929.82 - Step 4: Simplify right side
5,780,305.62x = 25,540,881,720,199.20 - Step 5: Solve for x
x = 25,540,881,720,199.20/5,780,305.62 - Step 6: Final answer
x = 4,418,604.03
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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.