Finding the Fourth Proportional to 5,680,561.94, 7,839,237.84 and 3,102,318.62
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Solution
The fourth proportional to 5,680,561.94, 7,839,237.84 and 3,102,318.62 is: 4,281,233.75
Step by Step Solution
- Step 1: Write the proportion equation
5,680,561.94 : 7,839,237.84 = 3,102,318.62 : x - Step 2: Convert to fraction form
5,680,561.94/7,839,237.84 = 3,102,318.62/x - Step 3: Cross multiply
5,680,561.94x = 7,839,237.84 × 3,102,318.62 - Step 4: Simplify right side
5,680,561.94x = 24,319,813,517,640.58 - Step 5: Solve for x
x = 24,319,813,517,640.58/5,680,561.94 - Step 6: Final answer
x = 4,281,233.75
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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.