Finding the Fourth Proportional to 2,799,755.70, 4,194,967.95 and 2,631,794.10
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Solution
The fourth proportional to 2,799,755.70, 4,194,967.95 and 2,631,794.10 is: 3,943,305.45
Step by Step Solution
- Step 1: Write the proportion equation
2,799,755.70 : 4,194,967.95 = 2,631,794.10 : x - Step 2: Convert to fraction form
2,799,755.70/4,194,967.95 = 2,631,794.10/x - Step 3: Cross multiply
2,799,755.70x = 4,194,967.95 × 2,631,794.10 - Step 4: Simplify right side
2,799,755.70x = 11,040,291,900,499.10 - Step 5: Solve for x
x = 11,040,291,900,499.10/2,799,755.70 - Step 6: Final answer
x = 3,943,305.45
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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.