Finding the Fourth Proportional to 2,107,455.88, 3,160,250.70 and 1,513,991.56
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Solution
The fourth proportional to 2,107,455.88, 3,160,250.70 and 1,513,991.56 is: 2,270,316.99
Step by Step Solution
- Step 1: Write the proportion equation
2,107,455.88 : 3,160,250.70 = 1,513,991.56 : x - Step 2: Convert to fraction form
2,107,455.88/3,160,250.70 = 1,513,991.56/x - Step 3: Cross multiply
2,107,455.88x = 3,160,250.70 × 1,513,991.56 - Step 4: Simplify right side
2,107,455.88x = 4,784,592,887,284.09 - Step 5: Solve for x
x = 4,784,592,887,284.09/2,107,455.88 - Step 6: Final answer
x = 2,270,316.99
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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.