Finding the Fourth Proportional to 5,646,851.80, 7,792,770.86 and 3,068,698.68
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Solution
The fourth proportional to 5,646,851.80, 7,792,770.86 and 3,068,698.68 is: 4,234,866.88
Step by Step Solution
- Step 1: Write the proportion equation
5,646,851.80 : 7,792,770.86 = 3,068,698.68 : x - Step 2: Convert to fraction form
5,646,851.80/7,792,770.86 = 3,068,698.68/x - Step 3: Cross multiply
5,646,851.80x = 7,792,770.86 × 3,068,698.68 - Step 4: Simplify right side
5,646,851.80x = 23,913,665,651,624.47 - Step 5: Solve for x
x = 23,913,665,651,624.47/5,646,851.80 - Step 6: Final answer
x = 4,234,866.88
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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.