Finding the Fourth Proportional to 3,948,922.38, 5,918,905.68 and 1,814,596.28
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Solution
The fourth proportional to 3,948,922.38, 5,918,905.68 and 1,814,596.28 is: 2,719,836.75
Step by Step Solution
- Step 1: Write the proportion equation
3,948,922.38 : 5,918,905.68 = 1,814,596.28 : x - Step 2: Convert to fraction form
3,948,922.38/5,918,905.68 = 1,814,596.28/x - Step 3: Cross multiply
3,948,922.38x = 5,918,905.68 × 1,814,596.28 - Step 4: Simplify right side
3,948,922.38x = 10,740,424,228,598.87 - Step 5: Solve for x
x = 10,740,424,228,598.87/3,948,922.38 - Step 6: Final answer
x = 2,719,836.75
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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.