Finding the Fourth Proportional to 6,430,960.40, 9,639,102.51 and 2,590,324.61
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Solution
The fourth proportional to 6,430,960.40, 9,639,102.51 and 2,590,324.61 is: 3,882,531.20
Step by Step Solution
- Step 1: Write the proportion equation
6,430,960.40 : 9,639,102.51 = 2,590,324.61 : x - Step 2: Convert to fraction form
6,430,960.40/9,639,102.51 = 2,590,324.61/x - Step 3: Cross multiply
6,430,960.40x = 9,639,102.51 × 2,590,324.61 - Step 4: Simplify right side
6,430,960.40x = 24,968,404,401,770.26 - Step 5: Solve for x
x = 24,968,404,401,770.26/6,430,960.40 - Step 6: Final answer
x = 3,882,531.20
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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.