Finding the Fourth Proportional to 4,984,716.26, 6,878,951.34 and 2,808,842.42
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Solution
The fourth proportional to 4,984,716.26, 6,878,951.34 and 2,808,842.42 is: 3,876,226.71
Step by Step Solution
- Step 1: Write the proportion equation
4,984,716.26 : 6,878,951.34 = 2,808,842.42 : x - Step 2: Convert to fraction form
4,984,716.26/6,878,951.34 = 2,808,842.42/x - Step 3: Cross multiply
4,984,716.26x = 6,878,951.34 × 2,808,842.42 - Step 4: Simplify right side
4,984,716.26x = 19,321,890,328,907.84 - Step 5: Solve for x
x = 19,321,890,328,907.84/4,984,716.26 - Step 6: Final answer
x = 3,876,226.71
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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.