Finding the Fourth Proportional to 1,979,626.44, 2,731,891.98 and 1,074,208.44
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Solution
The fourth proportional to 1,979,626.44, 2,731,891.98 and 1,074,208.44 is: 1,482,411.71
Step by Step Solution
- Step 1: Write the proportion equation
1,979,626.44 : 2,731,891.98 = 1,074,208.44 : x - Step 2: Convert to fraction form
1,979,626.44/2,731,891.98 = 1,074,208.44/x - Step 3: Cross multiply
1,979,626.44x = 2,731,891.98 × 1,074,208.44 - Step 4: Simplify right side
1,979,626.44x = 2,934,621,422,084.31 - Step 5: Solve for x
x = 2,934,621,422,084.31/1,979,626.44 - Step 6: Final answer
x = 1,482,411.71
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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.