Finding the Fourth Proportional to 3,414,918.96, 5,125,022.28 and 1,286,938.80
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Solution
The fourth proportional to 3,414,918.96, 5,125,022.28 and 1,286,938.80 is: 1,931,404.55
Step by Step Solution
- Step 1: Write the proportion equation
3,414,918.96 : 5,125,022.28 = 1,286,938.80 : x - Step 2: Convert to fraction form
3,414,918.96/5,125,022.28 = 1,286,938.80/x - Step 3: Cross multiply
3,414,918.96x = 5,125,022.28 × 1,286,938.80 - Step 4: Simplify right side
3,414,918.96x = 6,595,590,022,996.47 - Step 5: Solve for x
x = 6,595,590,022,996.47/3,414,918.96 - Step 6: Final answer
x = 1,931,404.55
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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.