Finding the Fourth Proportional to 2,971,636.92, 4,100,743.98 and 1,613,478.84
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Solution
The fourth proportional to 2,971,636.92, 4,100,743.98 and 1,613,478.84 is: 2,226,538.38
Step by Step Solution
- Step 1: Write the proportion equation
2,971,636.92 : 4,100,743.98 = 1,613,478.84 : x - Step 2: Convert to fraction form
2,971,636.92/4,100,743.98 = 1,613,478.84/x - Step 3: Cross multiply
2,971,636.92x = 4,100,743.98 × 1,613,478.84 - Step 4: Simplify right side
2,971,636.92x = 6,616,463,639,987.38 - Step 5: Solve for x
x = 6,616,463,639,987.38/2,971,636.92 - Step 6: Final answer
x = 2,226,538.38
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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.