Finding the Fourth Proportional to 3,246,743.92, 4,480,638.66 and 1,796,415.76
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Solution
The fourth proportional to 3,246,743.92, 4,480,638.66 and 1,796,415.76 is: 2,479,126.81
Step by Step Solution
- Step 1: Write the proportion equation
3,246,743.92 : 4,480,638.66 = 1,796,415.76 : x - Step 2: Convert to fraction form
3,246,743.92/4,480,638.66 = 1,796,415.76/x - Step 3: Cross multiply
3,246,743.92x = 4,480,638.66 × 1,796,415.76 - Step 4: Simplify right side
3,246,743.92x = 8,049,089,903,689.28 - Step 5: Solve for x
x = 8,049,089,903,689.28/3,246,743.92 - Step 6: Final answer
x = 2,479,126.81
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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.