Finding the Fourth Proportional to 2,461,273.62, 3,396,537.84 and 1,428,877.20
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Solution
The fourth proportional to 2,461,273.62, 3,396,537.84 and 1,428,877.20 is: 1,971,839.07
Step by Step Solution
- Step 1: Write the proportion equation
2,461,273.62 : 3,396,537.84 = 1,428,877.20 : x - Step 2: Convert to fraction form
2,461,273.62/3,396,537.84 = 1,428,877.20/x - Step 3: Cross multiply
2,461,273.62x = 3,396,537.84 × 1,428,877.20 - Step 4: Simplify right side
2,461,273.62x = 4,853,235,478,513.25 - Step 5: Solve for x
x = 4,853,235,478,513.25/2,461,273.62 - Step 6: Final answer
x = 1,971,839.07
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.