Finding the Fourth Proportional to 2,930,763.12, 4,045,838.28 and 1,964,524.68
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Solution
The fourth proportional to 2,930,763.12, 4,045,838.28 and 1,964,524.68 is: 2,711,972.56
Step by Step Solution
- Step 1: Write the proportion equation
2,930,763.12 : 4,045,838.28 = 1,964,524.68 : x - Step 2: Convert to fraction form
2,930,763.12/4,045,838.28 = 1,964,524.68/x - Step 3: Cross multiply
2,930,763.12x = 4,045,838.28 × 1,964,524.68 - Step 4: Simplify right side
2,930,763.12x = 7,948,149,152,348.75 - Step 5: Solve for x
x = 7,948,149,152,348.75/2,930,763.12 - Step 6: Final answer
x = 2,711,972.56
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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.