Finding the Fourth Proportional to 2,956,809.30, 4,434,885.90 and 827,108.70
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Solution
The fourth proportional to 2,956,809.30, 4,434,885.90 and 827,108.70 is: 1,240,571.28
Step by Step Solution
- Step 1: Write the proportion equation
2,956,809.30 : 4,434,885.90 = 827,108.70 : x - Step 2: Convert to fraction form
2,956,809.30/4,434,885.90 = 827,108.70/x - Step 3: Cross multiply
2,956,809.30x = 4,434,885.90 × 827,108.70 - Step 4: Simplify right side
2,956,809.30x = 3,668,132,711,397.33 - Step 5: Solve for x
x = 3,668,132,711,397.33/2,956,809.30 - Step 6: Final answer
x = 1,240,571.28
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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.