Finding the Fourth Proportional to 4,970,716.58, 6,859,628.70 and 2,765,611.28
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Solution
The fourth proportional to 4,970,716.58, 6,859,628.70 and 2,765,611.28 is: 3,816,565.72
Step by Step Solution
- Step 1: Write the proportion equation
4,970,716.58 : 6,859,628.70 = 2,765,611.28 : x - Step 2: Convert to fraction form
4,970,716.58/6,859,628.70 = 2,765,611.28/x - Step 3: Cross multiply
4,970,716.58x = 6,859,628.70 × 2,765,611.28 - Step 4: Simplify right side
4,970,716.58x = 18,971,066,509,331.73 - Step 5: Solve for x
x = 18,971,066,509,331.73/4,970,716.58 - Step 6: Final answer
x = 3,816,565.72
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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.