Finding the Fourth Proportional to 2,691,743.92, 3,713,668.60 and 1,725,407.05
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Solution
The fourth proportional to 2,691,743.92, 3,713,668.60 and 1,725,407.05 is: 2,380,460.47
Step by Step Solution
- Step 1: Write the proportion equation
2,691,743.92 : 3,713,668.60 = 1,725,407.05 : x - Step 2: Convert to fraction form
2,691,743.92/3,713,668.60 = 1,725,407.05/x - Step 3: Cross multiply
2,691,743.92x = 3,713,668.60 × 1,725,407.05 - Step 4: Simplify right side
2,691,743.92x = 6,407,589,983,803.63 - Step 5: Solve for x
x = 6,407,589,983,803.63/2,691,743.92 - Step 6: Final answer
x = 2,380,460.47
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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.