Finding the Fourth Proportional to 2,079,541.76, 2,869,770.47 and 1,263,528.32
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Solution
The fourth proportional to 2,079,541.76, 2,869,770.47 and 1,263,528.32 is: 1,743,670.80
Step by Step Solution
- Step 1: Write the proportion equation
2,079,541.76 : 2,869,770.47 = 1,263,528.32 : x - Step 2: Convert to fraction form
2,079,541.76/2,869,770.47 = 1,263,528.32/x - Step 3: Cross multiply
2,079,541.76x = 2,869,770.47 × 1,263,528.32 - Step 4: Simplify right side
2,079,541.76x = 3,626,036,240,078.22 - Step 5: Solve for x
x = 3,626,036,240,078.22/2,079,541.76 - Step 6: Final answer
x = 1,743,670.80
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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.