Finding the Fourth Proportional to 6,918,962.05, 9,548,757.99 and 3,863,766.79
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Solution
The fourth proportional to 6,918,962.05, 9,548,757.99 and 3,863,766.79 is: 5,332,327.84
Step by Step Solution
- Step 1: Write the proportion equation
6,918,962.05 : 9,548,757.99 = 3,863,766.79 : x - Step 2: Convert to fraction form
6,918,962.05/9,548,757.99 = 3,863,766.79/x - Step 3: Cross multiply
6,918,962.05x = 9,548,757.99 × 3,863,766.79 - Step 4: Simplify right side
6,918,962.05x = 36,894,173,940,446.53 - Step 5: Solve for x
x = 36,894,173,940,446.53/6,918,962.05 - Step 6: Final answer
x = 5,332,327.84
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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.