Finding the Fourth Proportional to 6,245,694.18, 8,618,394.42 and 3,454,373.88
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Solution
The fourth proportional to 6,245,694.18, 8,618,394.42 and 3,454,373.88 is: 4,766,668.96
Step by Step Solution
- Step 1: Write the proportion equation
6,245,694.18 : 8,618,394.42 = 3,454,373.88 : x - Step 2: Convert to fraction form
6,245,694.18/8,618,394.42 = 3,454,373.88/x - Step 3: Cross multiply
6,245,694.18x = 8,618,394.42 × 3,454,373.88 - Step 4: Simplify right side
6,245,694.18x = 29,771,156,571,985.75 - Step 5: Solve for x
x = 29,771,156,571,985.75/6,245,694.18 - Step 6: Final answer
x = 4,766,668.96
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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.