Finding the Fourth Proportional to 3,207,446.94, 4,426,276.41 and 1,918,287.12
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Solution
The fourth proportional to 3,207,446.94, 4,426,276.41 and 1,918,287.12 is: 2,647,236.01
Step by Step Solution
- Step 1: Write the proportion equation
3,207,446.94 : 4,426,276.41 = 1,918,287.12 : x - Step 2: Convert to fraction form
3,207,446.94/4,426,276.41 = 1,918,287.12/x - Step 3: Cross multiply
3,207,446.94x = 4,426,276.41 × 1,918,287.12 - Step 4: Simplify right side
3,207,446.94x = 8,490,869,026,862.84 - Step 5: Solve for x
x = 8,490,869,026,862.84/3,207,446.94 - Step 6: Final answer
x = 2,647,236.01
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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.