Finding the Fourth Proportional to 3,641,419.60, 5,468,034.30 and 2,637,586.60
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Solution
The fourth proportional to 3,641,419.60, 5,468,034.30 and 2,637,586.60 is: 3,960,656.99
Step by Step Solution
- Step 1: Write the proportion equation
3,641,419.60 : 5,468,034.30 = 2,637,586.60 : x - Step 2: Convert to fraction form
3,641,419.60/5,468,034.30 = 2,637,586.60/x - Step 3: Cross multiply
3,641,419.60x = 5,468,034.30 × 2,637,586.60 - Step 4: Simplify right side
3,641,419.60x = 14,422,413,998,020.38 - Step 5: Solve for x
x = 14,422,413,998,020.38/3,641,419.60 - Step 6: Final answer
x = 3,960,656.99
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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.