Finding the Fourth Proportional to 3,943,990.96, 5,900,420.67 and 2,987,202.76
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Solution
The fourth proportional to 3,943,990.96, 5,900,420.67 and 2,987,202.76 is: 4,469,014.53
Step by Step Solution
- Step 1: Write the proportion equation
3,943,990.96 : 5,900,420.67 = 2,987,202.76 : x - Step 2: Convert to fraction form
3,943,990.96/5,900,420.67 = 2,987,202.76/x - Step 3: Cross multiply
3,943,990.96x = 5,900,420.67 × 2,987,202.76 - Step 4: Simplify right side
3,943,990.96x = 17,625,752,910,585.05 - Step 5: Solve for x
x = 17,625,752,910,585.05/3,943,990.96 - Step 6: Final answer
x = 4,469,014.53
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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.