Finding the Fourth Proportional to 5,787,158.68, 8,680,738.25 and 1,948,659.79
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Solution
The fourth proportional to 5,787,158.68, 8,680,738.25 and 1,948,659.79 is: 2,922,989.76
Step by Step Solution
- Step 1: Write the proportion equation
5,787,158.68 : 8,680,738.25 = 1,948,659.79 : x - Step 2: Convert to fraction form
5,787,158.68/8,680,738.25 = 1,948,659.79/x - Step 3: Cross multiply
5,787,158.68x = 8,680,738.25 × 1,948,659.79 - Step 4: Simplify right side
5,787,158.68x = 16,915,805,573,241.98 - Step 5: Solve for x
x = 16,915,805,573,241.98/5,787,158.68 - Step 6: Final answer
x = 2,922,989.76
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.