Finding the Fourth Proportional to 3,894,797.70, 5,375,073.06 and 2,175,927.48
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Solution
The fourth proportional to 3,894,797.70, 5,375,073.06 and 2,175,927.48 is: 3,002,920.84
Step by Step Solution
- Step 1: Write the proportion equation
3,894,797.70 : 5,375,073.06 = 2,175,927.48 : x - Step 2: Convert to fraction form
3,894,797.70/5,375,073.06 = 2,175,927.48/x - Step 3: Cross multiply
3,894,797.70x = 5,375,073.06 × 2,175,927.48 - Step 4: Simplify right side
3,894,797.70x = 11,695,769,178,261.69 - Step 5: Solve for x
x = 11,695,769,178,261.69/3,894,797.70 - Step 6: Final answer
x = 3,002,920.84
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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.