Finding the Fourth Proportional to 2,069,810.12, 3,101,021.50 and 1,122,576.68
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Solution
The fourth proportional to 2,069,810.12, 3,101,021.50 and 1,122,576.68 is: 1,681,861.73
Step by Step Solution
- Step 1: Write the proportion equation
2,069,810.12 : 3,101,021.50 = 1,122,576.68 : x - Step 2: Convert to fraction form
2,069,810.12/3,101,021.50 = 1,122,576.68/x - Step 3: Cross multiply
2,069,810.12x = 3,101,021.50 × 1,122,576.68 - Step 4: Simplify right side
2,069,810.12x = 3,481,134,420,078.62 - Step 5: Solve for x
x = 3,481,134,420,078.62/2,069,810.12 - Step 6: Final answer
x = 1,681,861.73
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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.