Finding the Fourth Proportional to 3,786,402.16, 5,225,646.30 and 2,336,060.30
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Solution
The fourth proportional to 3,786,402.16, 5,225,646.30 and 2,336,060.30 is: 3,224,016.99
Step by Step Solution
- Step 1: Write the proportion equation
3,786,402.16 : 5,225,646.30 = 2,336,060.30 : x - Step 2: Convert to fraction form
3,786,402.16/5,225,646.30 = 2,336,060.30/x - Step 3: Cross multiply
3,786,402.16x = 5,225,646.30 × 2,336,060.30 - Step 4: Simplify right side
3,786,402.16x = 12,207,424,870,918.03 - Step 5: Solve for x
x = 12,207,424,870,918.03/3,786,402.16 - Step 6: Final answer
x = 3,224,016.99
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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.