Finding the Fourth Proportional to 2,010,720.90, 3,018,229.86 and 813,425.88
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Solution
The fourth proportional to 2,010,720.90, 3,018,229.86 and 813,425.88 is: 1,221,007.99
Step by Step Solution
- Step 1: Write the proportion equation
2,010,720.90 : 3,018,229.86 = 813,425.88 : x - Step 2: Convert to fraction form
2,010,720.90/3,018,229.86 = 813,425.88/x - Step 3: Cross multiply
2,010,720.90x = 3,018,229.86 × 813,425.88 - Step 4: Simplify right side
2,010,720.90x = 2,455,106,279,912.78 - Step 5: Solve for x
x = 2,455,106,279,912.78/2,010,720.90 - Step 6: Final answer
x = 1,221,007.99
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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.