Finding the Fourth Proportional to 4,434,808.20, 6,639,770.70 and 4,310,392.20
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Solution
The fourth proportional to 4,434,808.20, 6,639,770.70 and 4,310,392.20 is: 6,453,495.74
Step by Step Solution
- Step 1: Write the proportion equation
4,434,808.20 : 6,639,770.70 = 4,310,392.20 : x - Step 2: Convert to fraction form
4,434,808.20/6,639,770.70 = 4,310,392.20/x - Step 3: Cross multiply
4,434,808.20x = 6,639,770.70 × 4,310,392.20 - Step 4: Simplify right side
4,434,808.20x = 28,620,015,835,068.54 - Step 5: Solve for x
x = 28,620,015,835,068.54/4,434,808.20 - Step 6: Final answer
x = 6,453,495.74
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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.