Finding the Fourth Proportional to 3,426,079.74, 5,133,512.97 and 2,074,144.74
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Solution
The fourth proportional to 3,426,079.74, 5,133,512.97 and 2,074,144.74 is: 3,107,822.86
Step by Step Solution
- Step 1: Write the proportion equation
3,426,079.74 : 5,133,512.97 = 2,074,144.74 : x - Step 2: Convert to fraction form
3,426,079.74/5,133,512.97 = 2,074,144.74/x - Step 3: Cross multiply
3,426,079.74x = 5,133,512.97 × 2,074,144.74 - Step 4: Simplify right side
3,426,079.74x = 10,647,648,924,447.28 - Step 5: Solve for x
x = 10,647,648,924,447.28/3,426,079.74 - Step 6: Final answer
x = 3,107,822.86
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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.