Finding the Fourth Proportional to 4,880,293.12, 7,321,969.97 and 2,937,141.80
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Solution
The fourth proportional to 4,880,293.12, 7,321,969.97 and 2,937,141.80 is: 4,406,633.69
Step by Step Solution
- Step 1: Write the proportion equation
4,880,293.12 : 7,321,969.97 = 2,937,141.80 : x - Step 2: Convert to fraction form
4,880,293.12/7,321,969.97 = 2,937,141.80/x - Step 3: Cross multiply
4,880,293.12x = 7,321,969.97 × 2,937,141.80 - Step 4: Simplify right side
4,880,293.12x = 21,505,664,057,231.74 - Step 5: Solve for x
x = 21,505,664,057,231.74/4,880,293.12 - Step 6: Final answer
x = 4,406,633.69
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.