Finding the Fourth Proportional to 3,996,185.20, 5,515,240.66 and 2,620,686.13
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Solution
The fourth proportional to 3,996,185.20, 5,515,240.66 and 2,620,686.13 is: 3,616,878.09
Step by Step Solution
- Step 1: Write the proportion equation
3,996,185.20 : 5,515,240.66 = 2,620,686.13 : x - Step 2: Convert to fraction form
3,996,185.20/5,515,240.66 = 2,620,686.13/x - Step 3: Cross multiply
3,996,185.20x = 5,515,240.66 × 2,620,686.13 - Step 4: Simplify right side
3,996,185.20x = 14,453,714,680,934.23 - Step 5: Solve for x
x = 14,453,714,680,934.23/3,996,185.20 - Step 6: Final answer
x = 3,616,878.09
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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.