Finding the Fourth Proportional to 3,211,042.84, 4,813,192.66 and 1,080,387.32
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Solution
The fourth proportional to 3,211,042.84, 4,813,192.66 and 1,080,387.32 is: 1,619,446.57
Step by Step Solution
- Step 1: Write the proportion equation
3,211,042.84 : 4,813,192.66 = 1,080,387.32 : x - Step 2: Convert to fraction form
3,211,042.84/4,813,192.66 = 1,080,387.32/x - Step 3: Cross multiply
3,211,042.84x = 4,813,192.66 × 1,080,387.32 - Step 4: Simplify right side
3,211,042.84x = 5,200,112,318,581.07 - Step 5: Solve for x
x = 5,200,112,318,581.07/3,211,042.84 - Step 6: Final answer
x = 1,619,446.57
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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.