Finding the Fourth Proportional to 3,943,995.96, 5,900,428.16 and 2,987,207.76
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Solution
The fourth proportional to 3,943,995.96, 5,900,428.16 and 2,987,207.76 is: 4,469,022.02
Step by Step Solution
- Step 1: Write the proportion equation
3,943,995.96 : 5,900,428.16 = 2,987,207.76 : x - Step 2: Convert to fraction form
3,943,995.96/5,900,428.16 = 2,987,207.76/x - Step 3: Cross multiply
3,943,995.96x = 5,900,428.16 × 2,987,207.76 - Step 4: Simplify right side
3,943,995.96x = 17,625,804,786,874.52 - Step 5: Solve for x
x = 17,625,804,786,874.52/3,943,995.96 - Step 6: Final answer
x = 4,469,022.02
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.