Finding the Fourth Proportional to 6,931,366.20, 10,397,744.10 and 2,381,815.80
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Solution
The fourth proportional to 6,931,366.20, 10,397,744.10 and 2,381,815.80 is: 3,572,962.45
Step by Step Solution
- Step 1: Write the proportion equation
6,931,366.20 : 10,397,744.10 = 2,381,815.80 : x - Step 2: Convert to fraction form
6,931,366.20/10,397,744.10 = 2,381,815.80/x - Step 3: Cross multiply
6,931,366.20x = 10,397,744.10 × 2,381,815.80 - Step 4: Simplify right side
6,931,366.20x = 24,765,511,181,736.78 - Step 5: Solve for x
x = 24,765,511,181,736.78/6,931,366.20 - Step 6: Final answer
x = 3,572,962.45
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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.