Finding the Fourth Proportional to 5,624,493.15, 7,761,761.91 and 3,046,114.92
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Solution
The fourth proportional to 5,624,493.15, 7,761,761.91 and 3,046,114.92 is: 4,203,617.66
Step by Step Solution
- Step 1: Write the proportion equation
5,624,493.15 : 7,761,761.91 = 3,046,114.92 : x - Step 2: Convert to fraction form
5,624,493.15/7,761,761.91 = 3,046,114.92/x - Step 3: Cross multiply
5,624,493.15x = 7,761,761.91 × 3,046,114.92 - Step 4: Simplify right side
5,624,493.15x = 23,643,218,759,538.70 - Step 5: Solve for x
x = 23,643,218,759,538.70/5,624,493.15 - Step 6: Final answer
x = 4,203,617.66
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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.