Finding the Fourth Proportional to 5,725,753.92, 7,901,638.56 and 3,147,543.36
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Solution
The fourth proportional to 5,725,753.92, 7,901,638.56 and 3,147,543.36 is: 4,343,663.79
Step by Step Solution
- Step 1: Write the proportion equation
5,725,753.92 : 7,901,638.56 = 3,147,543.36 : x - Step 2: Convert to fraction form
5,725,753.92/7,901,638.56 = 3,147,543.36/x - Step 3: Cross multiply
5,725,753.92x = 7,901,638.56 × 3,147,543.36 - Step 4: Simplify right side
5,725,753.92x = 24,870,749,982,647.96 - Step 5: Solve for x
x = 24,870,749,982,647.96/5,725,753.92 - Step 6: Final answer
x = 4,343,663.79
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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.